n.钻孔者,钻孔机,钻工,司钻
Able to use electrical and pneumatic power tools, such as driller, etc.
能够使用常用电动 、 气动工具.
Only a driller is on the rig floor now.
现在只有司钻在钻台上.
Taphole driller is a key equipment to open the taphole furnace.
开铁口机是完成打开高炉铁口操作的关键设备.