A.0.5%,1/4~1/2 B.1%,1/2~1 C.1.5%,1~20 D.1.2%,2~3
A.預(yù)制樁錘擊沉樁 B.預(yù)制樁靜壓沉樁 C.振動沉管灌注樁
A.1/3 B.2/3 C.1/4 D.1/2