A.允許正公差大于允許負公差 B.允許正公差等于允許負公差 C.允許正公差小于允許負公差 D.正公差沒有上限
A.0.3%-1% B.1%-2% C.2%-4% D.7%-8%
A.鉆孔灌注樁 B.挖孔灌注樁 C.沖孔灌注樁 D.靜壓樁