软土隧道通常修建在(  )地下。

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根据下列文章,请回答题。Megaplane (巨型飞机)The Boeing Corp. and Europe's Ai

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High tides used to attack Kiribati when there was strong win

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Several people were missing during the storm.

Several people were missing during the storm.A.Right B.Wrong C.Not mentioned

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后张法预制板梁在张拉预应力筋时,应按设计要求在(  ),张拉时千斤顶的作用线必须与预应力轴线重合。

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