| 释义 |
钻探机zuāntànjī钻井、钻探用的机器。包括动力设备和钻杆、钻头、岩心管、钢架等。一般有冲击式和旋转式两种。{drilling machine; machine for drilling wells or prospecting, including the power equipment, drill rod, drill bit, coring pipe and derrick, usu. with two types:
impact and rotary drills;}也叫also钻机(zuànjī)。 |