涵洞洞身每侧填土压实度应不小于()%,填土厚度必须大于()m后,方可通行车辆和筑路机械。
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涵洞洞身每侧填土压实度应不小于()%,填土厚度必须大于()m后,方可通行车辆和筑路机械。
A.90,0.5
B.90,0.6
C.96,0.5
D.6,0.6
参考答案:
涵洞洞身每侧填土压实度应不小于()%,填土厚度必须大于()m后,方可通行车辆和筑路机械。
A.90,0.5
B.90,0.6
C.96,0.5
D.6,0.6
参考答案: