shaft drill jumbo

• 钻井机,凿井钻车

shaft drill jumbo的用法和样例：

例句

1. A primary pump directs the meltwater from the borehole into the drill, and a secondary pump sends the meltwater up the tether to the surface for analysis.
   主要的帮浦会将凿孔内的融冰导入钻井机中，而次要的帮浦则是将融冰藉由缆绳向上传送到地表，以供分析。