A.短樁隔斷支撐 B.地下連續(xù)墻支護(hù) C.鋼構(gòu)架支護(hù) D.擋土護(hù)坡樁支撐
A.50 B.100 C.150 D.200
A.0.0020% B.0.022% C.0.0024% D.0.026%