percussive drilling meaning in Chinese
冲击式凿岩
冲击钻进
冲击钻井
冲击钻孔
冲击钻探
Examples
- Realization of automatic percussive drilling by microcomputer control system
微机控制自动冲击钻进的实现 - Hand - held non - electric power tools - safety requirements - rotary percussive drills
手持非电动工具.安全性要求.旋转冲击钻 - Hand - held non - electric power tools - safety requirements - part 5 : rotary percussive drills
手持非电动工具.安全性要求.第5部分:旋转敲击动力钻 - Practice and analysis of rotary - percussive drilling of impregnated diamond bit with liquid jet hammer
射流式液动锤回转冲击孕镶金刚石钻头钻进的实践与分析 - Hand - held non - electric power tools - safety requirements - part 5 : rotary percussive drills ; german version en 792 - 5 : 2000
手持非电动工具.安全要求.第5部分:旋转冲击钻