• The half-screwed filling pile is a new kind of pile which has advantages of high bearing capacity, low construction cost, convenient construction, non-environmental pollution.

    杆灌注桩一种承载力造价施工方便无环境污染桩型

    youdao

  • The half-screwed filling pile is a new kind of pile which has advantages of high bearing capacity, low construction cost, convenient construction, non-environmental pollution.

    杆灌注桩一种承载力造价施工方便无环境污染桩型

    youdao

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