题目内容
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[单选题]
回填土应分层夯实,每层厚度()m,管道两侧及管顶以上()m内的填土必须人工夯实,超过管顶()m,可使用小型机械夯实,每层松土厚度为()m。
A.0.2~0.3,0.5,0.5,0.25~0.4
B.0.25~0.4,0.5,0.2~0.3,0.5
C.0.5,0.5,0.25~0.4,0.2~0.3
D.0.2~0.3,0.5,0.25~0.4,0.5
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A.0.2~0.3,0.5,0.5,0.25~0.4
B.0.25~0.4,0.5,0.2~0.3,0.5
C.0.5,0.5,0.25~0.4,0.2~0.3
D.0.2~0.3,0.5,0.25~0.4,0.5
A.0.1~0.3
B.0.2~0.5
C.0.3~0.5
D.0.2~0.3
A.压路机夯实处理
B.铁锹夯实处理
C.人工夯实处理
D.挖土机夯实处理
A.100-200
B.200-250
C.250-350
D.350-450
A.0.2m
B.0.3m
C.0.4m
D.0.5m
A.100-500
B.200-250
C.300-350
A 20cm
B 25cm
C 30cm