金刚石钻 meaning in Chinese

adamantine drill
diamond drill

Safety of transportable motor - operated electric tools . part 2 : particular requirements for diamond drills with water supply
可移式电动工具的安全第二部分:带水源金刚石钻的专用要求
Safety of transportable motor - operated electric tools - part 2 - 6 : particular requirements for diamond drills with water supply
移动式电动工具的安全.第2 - 6部分:带供水的金刚石钻的特殊要求