单项选择题
A.30~50kPa B.50~100kPa C.60~100kPa D.100~200kPa
A.细粒土 B.中粒土 C.粗粒土
A.0.25~0.5mm/min B.0.6~0.8mm/min C.1~1.25mm/min D.1.5~1.75mm/min
A.3mm B.10mm C.6mm D.5mm
A.30mm B.50mm C.55mm D.60mm
A.0.03g/cm3 B.0.02g/cm3 C.0.05g/cm3 D.0.06g/cm3
A.1小时 B.2小时 C.12小时 D.24小时
A.3% B.5% C.10% D.15%