英：[rɔk dril]
美：[rɑk drɪl]
rock drill如何读
rock drill是什么意思
凿石器；凿岩机；
rock drill英英释义
rock drill
- n.a drill for penetrating rock
同义词：bore bitborerstone drill
rock drill_公路科技行业词汇
凿岩机
又称 :凿岩机(jack hammer )
rock drill_冶金学行业词汇
凿岩机
rock drill_水利行业词汇
凿岩机
通过钻杆和钻头的冲击或回转作用进行凿岩钻孔的机械。
rock drill 例句
1 The rock drill is indispensable for digging coal mines.
凿岩机是煤炭采掘不可缺少的工具.
2 Disassamble the rock drill and inspect the wear, replace worn part.
拆开冲击器,检查磨损情况, 更换磨损件.
3 Mini rock drill has been produced based on patented technology for rock drill warm extrusion.
采用钎头壳体温挤压精密成形专利技术生产了小型凿岩钎头.