Cam khwb cia hlau yog cov khoom siv classic rau cov kav dej hauv tsev.SML - txij li xyoo 1982, cam khwb cia hlau socketless yeeb nkab system tau hloov tag nrho lub qhov (socket) cov kav dej.Kev sim-thiab-kuaj cov khoom siv yeeb nkab, yooj yim los tuav fittings thiab txhim khu kev qha couplings muab rau qhov chaw-txuag, tsis muaj kev nyab xeeb thiab ruaj khov yeeb nkab uas ua tau raws li qhov xav tau ntawm niaj hnub kev ua neej nyob zoo thiab lub xeev ntawm cov qauv kev tsim vaj tsev. .Nyob rau tib lub sijhawm, nws ua tiav ntau yam kev nyab xeeb tseem ceeb xws li suab rwb thaiv tsev thiab hluav taws kub.Vim tias muaj kev ua tau zoo hauv SML cov tshuab, cov kav hlau cam no tau siv rau cov ntu tseem ceeb tshaj plaws ntawm cov kav dej hauv lub tsev cov kav dej (downpipes, sau cov kav dej thiab lub thawv-hom hauv cov kav dej nag).
Post lub sij hawm: Jun-02-2020