Yuav tsum muaj rau kev teeb tsa sib dhos thaum txhim kho Windows

Anonim

Peb zaj dab neeg txog kev hloov ntawm sab nraum zoov glazing hauv chav tsev, pib hauv IVD, 2011, Tsis tau yog 6 (151), yuav tsis tiav yog tias peb hla lub installation ntawm translucent lug lug. Tom qab tag nrho, lub hnub qub niaj hnub yog xav tau qhov zoo tshaj plaws ntawm cov haujlwm no, thiab ua txhaum lub thev naus laus zis, tsis muaj lub neej pabcuam, thiab lwm yam tsis sib haum

Yuav tsum muaj rau kev teeb tsa sib dhos thaum txhim kho Windows 12441_1

Peb zaj dab neeg txog kev hloov ntawm sab nraum zoov glazing hauv chav tsev, pib hauv IVD, 2011, Tsis tau yog 6 (151), yuav tsis tiav yog tias peb hla lub installation ntawm translucent lug lug. Tom qab tag nrho, lub hnub qub niaj hnub yog xav tau qhov zoo tshaj plaws ntawm cov haujlwm no, thiab ua txhaum lub thev naus laus zis, tsis muaj lub neej pabcuam, thiab lwm yam tsis sib haum

Nws tsis nqaim, tsis dav ...
"Profin Rus" lub impetus rau kev sau cov kab lus no yog qhov tseeb ntawm Showman, TV nthuav qhia ntawm MTV Channel Alexander Anatolyevich. Txhua yam yog yooj yim heev: hauv nws chav tsev muaj tag nrho cov chaw kho, ntawm chav kawm, nrog kev hloov ntawm sab nraum zoov glazing. Tus txiv neej yog tibneeg hu tauj coob, Alexander Anatolyevich hauv cov teeb meem no yog tag nrho ntawm cov kev paub thiab kev cob qhia tshwj xeeb ntawm profin rus (Russia). Lub Amas ntes tau Montajaocon txheej txheem los ntawm Trocal Profile hauv cov duab thiab, siv rooj plaub, txiav txim siab los qhia cov neeg nyeem txog dab tsi kom them sai sai.

Qhov loj tshaj plaws yog qhov sib lawv liag

Cov qhov rais yas tuaj yeem ntsia tau ntawm txhua txoj kev kho. Yog tias pleev xim thiab plaster ua haujlwm yog los, qhib tau yooj yim kaw los ntawm sab hauv nrog polyethylene zaj duab xis. Ana cov ntoo muaj dej tsaws tsag, qhia txog cov nag ntawm screed thiab plastering phab ntsa, feem ntau cov khoom uas muaj kev puas tsuaj: feem ntau cov khoom uas muaj kev puas tsuaj loj: Feem ntau cov khoom siv tau boxed thiab lub flaps nres qhib thiab kaw. Yog li ntawd, cov qhov rais ntoo yog qhov zoo dua qub tom qab qhov kawg ntawm lub ntsiab "ntub" txheej txheem.

Koj muab lub installation!

Hauv txoj ntsiab cai, hloov glazing hauv chav tsev yuav muaj txhua lub sijhawm ntawm lub xyoo. Tom qab tag nrho, txhua tus kws tshaj lij ntawm tus kws tshaj lij yuav siv tsis ntau tshaj li 1-1.5 teev (ntau lub sijhawm yuav xav tau teeb tsa cov qauv loj - cov qhov rai Fabkis thiab lawj lub qhov rooj). Qhov kev zam yog tsim rau cov laus (feem ntau cib) tsev, qhov twg thaum muaj yooj yim los ntawm phab ntsa, tab sis nws tsis yooj yim los txhim kho nws hauv cov khoom siv inlildy txawm tias muaj kev pab ntawm cov ntaub ntawv niaj hnub.

Nws tsis nqaim, tsis dav ...
tiamsis

"Pab pawg ntawm cov tuam txhab" Robitek "

Nws tsis nqaim, tsis dav ...
B.

"Pab pawg ntawm cov tuam txhab" Robitek "

Nws tsis nqaim, tsis dav ...
hauv

"Profin rus"

Nws tsis nqaim, tsis dav ...
G.

Tus muaj zog

Daim duab ntawm thaj chaw nyob ze ntawm lub qhov rais thaiv rau ntawm phab ntsa hauv lub tsev nrog rwb thaiv tsev rwb thaiv tsev (a) thiab nws cov kev xaiv kub (b). Ntawm cov huab cua sab nraud ntawm -27s, cov nplais sab hauv tseem nyob rau 12,5 s, thiab yog li ntawd, thaum ib txwm muaj av noo, condensate yuav tsis poob rau lawv.

Niaj hnub no, lub qhov rais los ntawm cov profiles ntawm Circuit txawv ntawm 70mm yog feem ntau hauv kev thov, xws li Trocal Rus ") (b). Cov block nrog ntau dua 100 hli) lub thawv, piv txwv li, los ntawm Aero Suprema Profiles (tawm tau tsim rau tsev nrog ib-txheej phab ntsa. Lawv tso cai rau koj kom nce qhov dav dav ntawm cov leeg mounting thiab yog li zam cov rwb thaiv tsev ntawm cov kab sib tshooj.

Cov kws tshaj lij hais tias lub installation ntawm lub qhov rais pib nrog ntsuas ntawm kev qhib. Tseeb, yuam kev thaum ua txoj haujlwm no muaj tsis tau paub ntau, thiab tom qab tag nrho nws tsis yooj yim li cas, raws li cov tsis txaus ntseeg. Lub qhov rais ntawm lub qhov rais tau mounted nyob rau ntau txoj kev - nrog kev siv pob ntawv thiab xis mas colle, tubular ntsaws ntsaws nws.D. Qee zaum cov nyiaj ntsuas rau ntawm random los txiav txim siab qhov dav ntawm cov kab sib dhos uas twb muaj lawm, zais los ntawm cov nachots thiab txheej txheej ntawm plaster. Nyob rau tib lub sijhawm, ib tus neeg ua haujlwm hauv lub hauv paus tseem ceeb ntau ua rau lub hauv paus ntsiab lus ntawm "qhov thaiv zoo kom ua tsawg dua", ntshai tias nws tsis haum rau qhov qhib. Vitoga mounting gap yog qee zaum dhau lawm, thiab nws tiv thaiv tus qauv tsim qauv - nws kuj tsis tuaj yeem tiv thaiv cov cua thauj khoom. Cov kis me me kuj tsis zoo. Qhov tseeb yog tias cov khoom siv ntawm lub qhov rais thav ntawv yog raug kom sov nthuav dav thiab compression. Yog li, txoj kab hloov tawm nyob rau hauv qhov loj me ntawm cov khoom siv ntxiv PVC profile ntev 2000mm thaum nruab hnub tuaj yeem mus txog 6 hli. Cov oscillations no "roj av" yog lub teeb tsa sab. Yog tias nws qhov dav yog tsis txaus, thaum nthuav dav cov profiles tuaj yeem deformed. Tsis tas li ntawd, raws li qhov tshwm sim ntawm cov kev tawm tsam ntawm lub rwb thaiv tsev (txheej ntawm mounting ua npuas ncauj) thiab phab ntsa, qhov sib txawv yuav tshwm nyob rau hauv uas nyob rau hauv lub caij ntuj no yuav muaj ntau tshuab.

Lub tswv yim ntawm tus kws tshaj lij

Nrog rau kom khov ntawm cov chaw nyob hauv lub te, nws yog qhov tsim nyog los ntsib ntau zaus. Raws li txoj cai, nws tshwm sim hauv cov tuam tsev nrog ib-txheej phab ntsa (cib lossis monolithic ua ke). Tom qab ntawd condensate tshwm sim ntawm cov kab hauv av (thiab qee kis nws tseem tsim tsim), plaster ncav thiab cuam tshuam nws cov pwm. Muaj ntau txoj hauv kev los tawm tsam cov khov khov khov, tab sis nws yuav tsum tau sau tseg tias qhov ua tau zoo tshaj plaws ntawm lawv yuav muaj peev xwm los siv tsuas yog yuav ntawm theem ntawm kev yuav thiab txhim kho lub qhov rai. Piv txwv li, koj tuaj yeem nruab Windows nrog ntau dav (ntau dua 70 mm) lub thawv lossis teem ib lub thermal tswv ntawm polystyrene dhau ntawm ib puag ncig. Kev teeb tsa lub qhov rais yuav tsum tau them lub koom haum tshwj xeeb siv cov khoom lag luam zoo.

Nikolay Rumyantsev, Cov Thawj Coj Ua Haujlwm

Cov tuam txhab "pab pawg ntawm cov tuam txhab" Robitek "

Nws tsis nqaim, tsis dav ...
ib
Nws tsis nqaim, tsis dav ...
2.
Nws tsis nqaim, tsis dav ...
3.

"Stained iav"

1. Lub hauv paus ntsiab lus ntawm kev teeb tsa ntawm lub qhov rais thaiv hauv lub tsev tws: uas qhia txog cov nplais pob zeb (a) (nws raug tso cai siv cov ntawv hla lossis lwm yam frothy rwb thaiv tsev); sab deformation seam (b); Pluas lub thawv (b); Mounting seam, tiv thaiv los ntawm sab hauv nrog ntawv ci vapor rwb thaiv tsev daim ntaub (g); Bar phab ntsa (d); Qhov rai thaiv (e).

2. Siv lub qhov rai tsis raug rau cov hluav taws xob sib txuas rau lub quarter): Qhov sib txawv ntawm lub quarter (a) thiab tus ncej (b), yog qhov tsis tuaj, nrog rau dej tsis muaj zog ntawm lub rwb thaiv tsev; Qhov ntau ntawm sab mounting seam (b) yog ntau tshaj 60mm; Nyob rau hauv lub vaj huam sib luag Discovery (G) - Iav Gamble (d), uas tsis tas yuav muaj.

3. Los ntawm kev txiav txim siab qhov rai los ntawm laminated nyob rau hauv lub hnab yas profile, ntau tus xav tau txais lub qhov rais ntawm tib xim thiab nrog tib cov qauv. Nws yog qhov nyuaj heev, vim tias lub qhov rais profiles ua qee lub tuam txhab, thiab lub qhov rais sills yog lwm tus. Tab sis koj tuaj yeem yuav lub qhov rais sill ntawm cov ntoo uas muaj lub pob zeb lossis khoom siv ntoo

KEPRIM, Rwb thaiv tsev, tiv thaiv

Gost 30971-2002 kom meej meej tswj hwm qhov chaw nyob ntawm lub qhov rais hauv qhov tob ntawm qhib. Yog tias cov phab ntsa yog ib-txheej, lub thawv yog mounted, rov qab los ntawm sab nraud ntawm phab ntsa rau 1/3 ntawm cov tuab ntawm tom kawg. Loors los ntawm Sandwich Panels lub qhov rai thaiv yog ntsia hauv lub dav hlau ntawm cov rwb thaiv tsev txheej. Rau kev nrawm nrawm, nyob rau hauv thawj kis, thav duab thauj tog rau cov phiaj uas cia koj hloov cov chaw mounting nyob rau hauv chav (hauv cov pob zeb txheej). Cov kauj ruam ntawm lub fastening nodes rau lub qhov rais profitures yog 800mm, los ntawm aluminium yas Profiles - 700mm, los ntawm xim Yas - 600mm. Qhov kev ncua deb ntawm lub ces kaum sab hauv ntawm lub thawv rau lub caij nrawm yuav tsum yog 150-180mm, los ntawm kev zam rau lub tsev mounting - 120-180mm.

Nws tsis nqaim, tsis dav ...
Duab N.Rumyansev

Nws tsis nqaim, tsis dav ...

Nws tsis nqaim, tsis dav ...

Nws tsis nqaim, tsis dav ...

Yuam kev thaum ua haujlwm installation: Lub Windows ua haujlwm ntawm txoj kev coj mus rau qhov khov ntawm qhov chaw ntawm cov chaw nyob uas cov fungus hais (a); Kev kho dua ntawm cov chaw sab nraud sab nraud tau tawm mus ", vim li ntawd, kev ua npuas ncauj tau pib tawg, thiab lub foob pob ntawd yuav rov qab los rau ntawm lub leeg (b); Lub mounted sib txawv tsis ntub dej, thiab foam tsis yog tag nrho polymerized - cov txheej txheem xaus tom qab thawj nag los nag (b); Vim yog qhov tsis txaus ntseeg ntawm lub qhov rais thaiv hauv qhov qhib thiab tsis muaj kev txhawb nqa pads, ob-glazed Windows tsoo (d)

Tom qab kev ua yeeb yaj kiab ntawm lub mounting sib txawv, lub rwb thaiv tsev los ntawm sab hauv thiab sab nraud siv cov vapes tshwj xeeb - recill nyob rau hauv lub xub ntiag sib txawv ntawm tus ncej thiab peb hlis) Cov. Nws tseem tso cai rau kev thov mastic thiab las. Txawm li cas los xij, yog tias cov tapes tuaj yeem muab tso ua ntej tom qab 10-20 feeb tom qab qhov kev tshem tawm yog tau ua npuas dej, tom qab ntawd cov khoom siv polymerization tsuas yog siv rau ntawm cov npuaj teg, txiav cov rwb thaiv tsev ntau dhau.

Tau kev hloov pauv

Yog tias koj tau xa cov ntsiab lus ntawm cov ntsiab lus thiab hauv qhov chaw nws muab tawm tias qhov dav ntawm txoj kev sib tw sab mounting nws, nws muaj cai tsis kam lees lub installation), nws muaj cai tsis kam lees lub installation) Cov. Lwm txoj kev xaiv yog pom zoo rau kev siv cov ntaub ntawv zoo. Nws muaj ntu daim duab plaub fab cross thiab "nyoo" rau ib lub thawv los ntawm ib sab lossis ntau sab. Lub teeb qhib yuav ua tsawg me ntsis, tab sis lub tuam txhab yuav muab rau koj nrog cov luv nqi. Nyob rau hauv tsis muaj rooj plaub tsis tuaj yeem sau nrog dav dav ib tug sib txawv ib leeg los ntawm mounting ua npuas ncauj.

Lub txheej txheem peb txheej ntawm lub mounting seam yog qhov yuav tsum tau ua ntej rau nws cov kav dej ruaj khov. Qhov tsis muaj ntawm sab hauv vapor teeb meem txheej ua rau saturation ntawm foam ya raws muaj nyob hauv cov huab cua sab hauv tsev. Qhov noo noo, nthuav tawm thaum khov, rhuav tshem cov qauv ntawm cov khoom. Yog hais tias foam yog qhib sab nraud, nws yuav tau txais hnub nyoog sai nyob hauv kev cuam tshuam nrog nag lossis daus thiab ultraviolet rays. Ntxiv mus, los ntawm cov npoo av, muaj ib qho ua npuas dej ib leeg (tsis muaj kev tiv thaiv txheej), noo noo kuj yuav nkag hauv chav. Cov tsos mob ntawm kev puas tsuaj ntawm cov leeg mounting nco ntsoov: ntawm qhov chaw puag ncig, cov me me pom ntawm phab ntsa hauv qab windowsill. Tsuas yog "tshuaj" los ntawm qhov no - rov nruab qhov rai.

Nws tsis nqaim, tsis dav ...
tiamsis

"Pab pawg ntawm cov tuam txhab" Robitek "

Nws tsis nqaim, tsis dav ...
B.

"Pab pawg ntawm cov tuam txhab" Robitek "

Nws tsis nqaim, tsis dav ...
hauv

Lo

Nws tsis nqaim, tsis dav ...
G.

Lo

Thaum txhim kho Windows siv tag nrho cov teeb tsa ntawm cov ntaub ntawv insulating. Lub vapor-permeable daim kab xev uas npaj rau sab nraud dej ntawm lub rwb thaiv tsev (a) yog ua los ntawm cov khoom siv hluavtaws tsis yog. Ib leeg-compressed sealing xev (b) ntim cov xub ntiag.

Nws tsis nqaim, tsis dav ...
D.

Lo

Nws tsis nqaim, tsis dav ...
E.

Lo

Nws tsis nqaim, tsis dav ...
J.

Lo

Nws tsis nqaim, tsis dav ...
Z.

"Zapadov"

Polyurethane Mounting Ua Npuas Ncauj (B, R, D) Tom qab cov ntaub ntawv polymerization lub ntsiab kub pib txheej. Pistols - Dispensers (E, G) Tso cai rau koj los sau qhov sib txawv rau txhua qhov dav. Canels khoob nrog lub ntsej muag tuab ntawm phab ntsa (s) tuaj yeem ua los ntawm kev ua haujlwm sab hauv

Tus thawj coj Pov Thawj

Raws li cov lus txhais, uas muab GOST 23166-99 "block", lub qhov rais yog lub qhov rais qhib nrog cov chaw so, lub qhov rai thaiv, sib khi Feal Sealing lub tshuab, ib ntu ntawm Circuit Court, qhov chaw ntws thiab tig mus. " Yog li, hauv qab lub installation ntawm lub qhov rais, nws yuav tsum tau imminied tsis yog txhim kho lub qhov rai block, tab sis kuj ua tiav ntawm txhua qhov chaw ntawm phab ntsa qhib. Tau kawg, koj tuaj yeem tsis lees paub ua haujlwm, tab sis tus nqi ntawm cov kev pabcuam yuav tsum raug txo kom tsawg.

Tsis kua nplaum ib

Lub rooj tsavxwm hauv lub Windows yuav tsum ruaj khov kho. Phem heev yog tias nws mam li nco dheev quaj, tsis nrog rau lub lauj kaub paj tom ntej ntawm lub lauj kaub paj tom ntej. PVC qhov rai sills yog tsau raws li mounting ua npuas. Rau cov khoom lag luam hnyav dua, cov khoom lag luam tshwj xeeb yog qhov haum. Txawm li cas los xij, lawv tau thov los ntawm ib txheej nyias nyias, yog li thaj chaw txhawb nqa yuav tsum yog tus. Yog tias tsawg dua 2/3 ntawm Windows Dav Dav yog raws li phab ntsa, tsis cia siab tias tsuas yog cov kua nplaum lossis ua npuas ncauj yuav khaws cia. Nyob rau hauv rooj plaub, rooj plaub yuav tsum raug kaw cov npoo ntawm lub qhov rais sill hauv phab ntsa, ua ib zaj lus ntawm ob sab qhib.

Hauv cov ntaub ntawv muaj kev hlub, cov teeb tsa yuav tsum tau rov ua kom sab nraud sab nraud, yog tias lawv cov nplaim dej puas thaum lub qhov rais qub. Txhawm rau ua qhov no, siv dawb facade plaster, Frost-resistant lo rau nplais lossis xis tiag cug (yog tias lub phab ntsa tsis tau pleev xim lossis nteg tawm ntawm lub cib). Tom qab ntawd, nrog kev pab los ntawm cov nplaum tshwj xeeb thiab cov hlua tus kheej. Tsis txhob tsis quav ntsej txog lub sonological gasket rau cov khoom no - nws ua rau nws quieter ntawm nag nrov thiab poob.

Nws tsis nqaim, tsis dav ...
tiamsis

"Profin rus"

Nws tsis nqaim, tsis dav ...
B.
Nws tsis nqaim, tsis dav ...
hauv
Nws tsis nqaim, tsis dav ...
G.

Kev teeb tsa lub qhov rai yas hauv lub tsev cib: txiav tawm cov grinder rastening screws thiab sawing tus tsis ncaj ncees, maj mam muab cov khaub ncaws ntoo qub. Lub thawv ntawm lub qhov rais tshiab tau teeb tsa nyob rau hauv qhib, kaw tseg ib ntus thiab sim nws txoj haujlwm hauv peb lub dav hlau nrog rau theem npuas (B). Lwj qhov nyob rau hauv lub thav duab thiab phab ntsa thiab ruaj tus ncej nrog cov dowels nrog ib ntev ntawm 120mm (B, D).

Nws tsis nqaim, tsis dav ...
D.
Nws tsis nqaim, tsis dav ...
E.
Nws tsis nqaim, tsis dav ...
J.
Nws tsis nqaim, tsis dav ...
Z.

Tog lub windowsill ntawm qhov xav tau ntev (d) thiab npaj nws rau lub installation, muab tso rau thaum xaus zoo nkauj plugs (e). Pendant sash (g). Ib qho ntawm lub vapor rwb thaiv tsev daim kab xev rau cov profile ntawm lub thawv tau ua ntej plawg, thiab tom qab ib nrab ib teev rau phab ntsa (s) yog glued Cov.

Nws tsis nqaim, tsis dav ...
thiab
Nws tsis nqaim, tsis dav ...
rau
Nws tsis nqaim, tsis dav ...
L.
Nws tsis nqaim, tsis dav ...
M.

Ntsia lub windowsill (k) thiab pib ua kom tiav qhov chaw seem. Ua li no, siv Sandwich Panels los ntawm PVC. Lawv raug coj mus rau hauv lub mounted sib txawv thiab tsau npaus (L-O).

Nws tsis nqaim, tsis dav ...
N.
Nws tsis nqaim, tsis dav ...
txog
Nws tsis nqaim, tsis dav ...
P

Kuaj xyuas cov geometry ntawm qib qhib (p) thiab kho petra lee. Nws tseem tab tom tshem tawm cov yeeb yaj kiab tiv thaiv nrog ncej profiles thiab nruab tus kov

Sab hauv toj yuav tuaj yeem sib cais hauv ntau txoj kev. Feem ntau, lawv yog plastered los ntawm cement lossis plaster sib xyaw. Nyob rau tib lub sijhawm, ntawm lub pob zeb ua kom zoo, muaj cov tsis yog cov tsis tau kho nrog cov nplaum primer. Tom qab cov putty dries, cov kab nqes yog them nrog cov xim ntxuav. Yog hais tias lub qhov rai yas, ib qho tawg yuav twv yuav raug hu tau los ntawm lub thawv thiab plastered nqes hav - Qhov no yog lub txim ntawm thermal expansion thiab nqaim pvc. Txhawm rau tsis pom, nws raug nquahu kom thov ib lub npe tshwj xeeb me me no nruab nrog cov tsiaj roj polymer sajagle yooj ywm.

Lub tswv yim ntawm tus kws tshaj lij

Lub qhov rai lub thawv raug teeb tsa nyob rau hauv qhib ntawm cov ntaub ntawv txhawb nqa, uas muaj nyob hauv txhua lub caij ntsug. Cov ntaub qhwv no yog qhov tsim nyog kiag li, thiab yav tom ntej lawv nyob hauv lawv cov chaw, tiv thaiv kev deformations ntawm lub qhov rai profiles. Qhov yuav tsum tau ntawm cov txheej txheem sib dhos yuav tsum muaj hmoov av ntawm phab ntsa. Tseeb, nyob sab nraud ntawm cov ncej muaj tshwj xeeb curly protrusions, rau uas ua npuas ncauj tau hais tias yuav khov kho yog nyob ntawm tag nrho nkaus xwb nyob ntawm kev npaj ntawm tom kawg. Tsis tas li ntawd, lub nplaim yuav tsum muaj me ntsis noo - qhov no yuav pab txhawb tag nrho cov polymerization ntawm ua npuas ncauj.

Vasily Ignatenko, Tus Thawj Tswj Khoom Siv ntawm Profin Rus

Feem ntau, cov kab nqes yog kos nrog kev pab ntawm cov zoo nkauj lauj kaub. Yog tias lub qhov rais yog yas, feem ntau siv PVC Sandwich Panels muaj cov roj av polyurethane tau kho rau cov ncej uas siv cov khoom tshwj xeeb. Cov panels tsis tawg, thiab condensate tsis yog tsim rau lawv, vim tias lub saum npoo ntawm cov yas yog ib txwm tsis pub dawb rau chav sov. Ntawm kev sib koom ua ke ntawm vaj huam sib luag nrog phab ntsa uas koj yuav tsum kom kaw kaum ntawm PVC, uas tsis coj lub qhov rais qhib. Tab sis qhov no yog kab tias tsuas yog drawback ntawm yas.

Nws tsis nqaim, tsis dav ...

Nws tsis nqaim, tsis dav ...

Nws tsis nqaim, tsis dav ...

Thaum txhim kho cov qhov rai ntoo, qhib tau sib cais los ntawm nyias (tsis yog tuab dua 20mm) nplooj ntawm cov nplooj zeeg ntawm cov thav duab ntawm MDF - Laminated lossis Veneered Wood Veneer. Cov kws tshaj lij tsis pom zoo rau kev zom tes taw nrog lub tshuab ziab khaub ncaws, txij li ntawm qhov chaw mos ntawm cov khoom siv no, thiab tawm ntawm cov khoom siv tawm sai. Feem ntau cov kab nrib pleb ntawm cov pob qij txha nrog phab ntsa glcs nrog phab ntsa thiab lub qhov rai poob rau ntawm cov kab hauv av, qhov tiav yuav tsis muaj kev cia siab.

Cov kws kho ua tsaug lub tuam txhab "profin rus" thiab "ecookna" rau kev pab hauv kev npaj cov khoom.

Nyeem ntxiv