单词 | line up |
释义 | line up [`līn ¦ǝp] MINING ENGINEERING 1. A command signifying that the drill runner wants the hoisting cable attached to the drill stem, threaded through the sheave wheel, or wound on the hoist drum. 2. To reposition a drill so that the drill stem is centered over the parallel to a newly collared drill hole. |
随便看 |
|
科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。