1) punch
[英][pʌntʃ] [美][pʌntʃ]
眼钻，冲头
2) momentum of nozle fluid
钻头水眼流体冲力
3) percussive machine drilling
冲唤钻眼
4) bit water way
钻头水眼
1.
During the process of trenchless construction,it is often inconvenient due to the bit water way matching the pump output inappropriate.
在实际非开挖施工过程中,由于扩孔钻头水眼大小与泵量不能够很好地匹配,给正常施工带来很大的不便。
5) pilot bit
领眼钻头
6) rod bit
炮眼钻头
补充资料：钻眼
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条