Daim kab xev ntawv yog ib daim kab xev ruaj khov uas tsim los npog cov kab sib txuas hauv phab ntsa drywall. Daim kab xev zoo tshaj plaws tsis yog "tus kheej lo" tab sis tuav rau hauv qhov chaw nrog cov khoom sib txuas ntawm phab ntsa drywall.
1. Laser drilling / Koob punched / Tshuab punched
2. Muaj zog thiab tiv taus dej
3. Tiv thaiv kom tsis txhob tawg, tiv thaiv kev ntsws
Lub sijhawm tshaj tawm: Lub Ob Hlis-11-2022