A.1/2~1/3B.1/3~1/4C.1/4~1/5D.1/5~1/6
A.卷材防水 B.保溫 C.剛性防水 D.涂膜防水
A.1/12~1/6 B.1/14~1/8 C.1/16~1/10 D.1/5~1/10