A.50mm
B.60mm
C.75mm
D.90mm
A.50mm
B.60mm
C.75mm
D.90mm
A.50mm
B.75mm
C.100mm
D.150mm
A.桩材质
B.稳定和沉降验算
C.土层厚度
D.工程造价
A.垫层
B.托板
C.圈梁
D.褥垫层
E.加筋垫层
A.2.0m
B.2.5m
C.3.5m
D.4.0m
A.0.8米
B.1.0米
C.1.2米
D.1.5米
A.3天
B.5天
C.7天
D.10天
A.2.0m
B.2.5m
C.3.5m
D.4.0m
A.3倍
B.2倍
C.4倍
D.5倍