1) percussive penetration
冲击凿入
1.
The experiments of percussive penetration into rock plates at low velocities were made.
对花岗岩板进行了低速冲击凿入实验。
2) percussive drilling
冲击凿岩
3) hammering screw driver
冲击式旋凿
4) percussion reversed drilling
冲击反循环钻凿
1.
A study on the percussion reversed drilling method;
冲击反循环钻凿方法应用研究
5) water-powered impact rockdrill
水压冲击凿岩机
6) downhole percussion rock drilling
潜孔冲击凿岩
补充资料：充凿
1.塞入榫眼。
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