题海让大学四年没有难题
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题目详情

单选题 The traditional form of tunnel construction method that involves opening up the ground surface and excavating to the required depth and will bring trouble to the traffic on the ground is ()

A. cut and cover method (open cut method)

B. horizontal directional drilling

C. microtunneling

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时间:2025-12-05 03:39:15

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