A.干砌石護(hù)坡 B.卵石護(hù)坡 C.混凝土框格填石護(hù)坡 D.水泥砂漿砌石護(hù)坡
A.0.1~0.3m B.0.3~0.6m C.0.4~0.8m D.0.5~1.0m
A.5~10m B.3-5m C.5-15m D.15-20m