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本文主要阐述了FZC—1500大孔径冲击反循环钻机主要结构特点及冲击反循环钻进对复杂硬岩大径桩的施工优势。
This paper mainly expounds the main structural features of the FZC-1500 large-aperture impact reverse circulation drilling rig and the construction advantages of the impact reverse circulation drilling on the complex hard-rock large-diameter pile.