drilled pilings 中文意思是什麼

drilled pilings 解釋
鉆樁眼
  1. But these were uncased auger-drilled poured pilings, with the grout in direct contact with the native materials.

    不過這些都是露出地面經鉆孔繞灌而成的樁，灰漿同天然材料直接接觸。
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