... reverse-circulation core barrel 逆循环钻进岩心管 Reverse circulation bored pile 反循环法钻掘桩 ; 反循法掘 air reverse circulation 空气反循环 ...
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Compared to artificial digging-hole pile, the pumping reverse-circulation under-reamed bored pile has higher adaptability to geological condition, and its construction is safety and reliability.
泵吸反循环钻孔扩底灌注桩与人工挖孔灌注桩相比，地质条件的适应性强，施工安全可靠。
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