Xav txog Piping Environment Thiab Requirements

Cov kev siv sib txawv muaj qhov sib txawv ntawm cov khoom sib txuas. Piv txwv li, qhov kub thiab txias, kub siab lossis corrosive ib puag ncig tej zaum yuav xav tau cov ntaub ntawv txuas ntxiv. Nyob rau tib lub sijhawm, nws tseem yuav tsum tau xav txog cov kev xav tau ntawm cov kav dej, cov khoom siv dej thiab lwm yam.