A.0.8 B.0.5 C.O.4 D.0.6
A.1.15~1.35 B.1.25~1.50 C.1.15~1.30 D.1.20~1.45
A.可卸式止水帶 B.中埋式止水帶 C.噴錨初期支護(hù) D.遇水膨脹止水條