Ib qho ntawm cov haujlwm:
Lub qhov rooj thiab qhov rais tau muab faib ua cov khoom thaiv lossis cov khoom sib faib ua ke raws li lawv txoj haujlwm sib txawv, thiab muaj cov qauv tsim sib txawv kom muaj rwb thaiv tsev, rwb thaiv tsev kub, suab rwb thaiv tsev, waterproofing, tiv thaiv hluav taws thiab lwm yam haujlwm. Cov kev xav tau tshiab yog kev txuag hluav taws xob, thiab cov cua sov poob los ntawm qhov rooj thiab qhov rais qhov sib txawv hauv cov cheeb tsam txias yog kwv yees li 25% ntawm tag nrho cov cua sov siv. Qhov yuav tsum tau muaj rau airtightness ntawm lub qhov rooj thiab qhov rais yog ib qho tseem ceeb ntawm lub zog txuag tsim. Qhov rooj thiab qhov rais yog ib qho tseem ceeb ntawm lub tsev lub hnab ntawv system.
Muaj nuj nqi 2:
Qhov rooj thiab qhov rais yog cov khoom tseem ceeb ntawm kev tsim vaj tsev, ua lub luag haujlwm tseem ceeb hauv qhov sib txawv ntawm qhov tseeb thiab kev tsis pom kev, nrog rau kev ua yeeb yam ntawm kev sib dhos. Yog li ntawd, lawv cov duab, qhov loj me, kev faib ua feem, kev teeb tsa, xim, thiab daim ntawv muaj feem cuam tshuam rau tag nrho cov kev tsim vaj tsev.
Muaj nuj nqi peb:
Ntau tus neeg niaj hnub no nruab ob txheej iav qhov rooj thiab qhov rais, uas tsis yog tsuas yog txhim kho cov nyhuv rwb thaiv tsev, tab sis kuj ua lub luag haujlwm tseem ceeb hauv suab rwb thaiv tsev. Hauv lub nroog bustling, thaj chaw muaj neeg coob coob, thiab tsim kev thauj mus los, lub suab rwb thaiv tsev muaj kev nyiam los ntawm tib neeg.
