碾压土石坝施工中 碾压机械生产效率高的开行方式是（ ）。A.进退错距法B.圈转套压法SX碾压土石坝施
碾压土石坝施工中，碾压机械生产效率高的开行方式是（ ）。A.进退错距法B.圈转套压法SX
碾压土石坝施工中，碾压机械生产效率高的开行方式是（ ）。
A.进退错距法
B.圈转套压法
C.进退平距法
D.圈转错距法
请帮忙给出正确答案和分析，谢谢！
参考解答
463***108
2024-12-25 23:17:57
正确答案：B
【解析】碾压机械的开行方式通常有：进退错距法和圈转套压法两种。进退错距法操作简便，碾压、铺土和质检等工序协调，便于分段流水作业，压实质量容易保证。圈转套压法要求开行的工作面较大，适合于多碾滚组合碾压。其优点是生产效率较高。故本题应选B。
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