三刮刀钻头 three-blade bit ; three-winged bit ; three-way bit ; way bit
三头剃须刀 three head razor
三刀头
Three-blade head
以上为机器翻译结果，长、整句建议使用 人工翻译 。
双刀头、三刀头同时作用下以及三刀头顺次压入岩体破碎过程数值模拟。
In this paper, the effect of different confining pressure and rock is studied. (2) Rock fracture process induced by double cutters and three cutters simultaneously is studied.
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