Mechanical punching Pile Foundation construction in Karst Region is commonly used construction method.

机械冲孔桩是岩溶地区桩基施工常用的施工方法。

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Mechanical punching Pile Foundation construction in Karst Region is commonly used construction method.

机械冲孔桩是岩溶地区桩基施工常用的施工方法。

youdao