A.振沖置換法 B.振沖密實(shí)法 C.深層攪拌法 D.降水預(yù)壓法
A.150~300mm B.300~800mm C.450~1000mm D.600~1200mm
A.0.5~1.0m B.0.8~1.2m C.1.0~1.5m D.1.2~1.8m