A.基坑支護(hù)結(jié)構(gòu)設(shè)計(jì)計(jì)算工況 B.基坑降水方案 C.基坑支護(hù)結(jié)構(gòu)的材料 D.基坑施工
A.8~20mB.12~28mC.10~30mD.16~32m
A.100mm B.120mm C.80mm D.60mm