单词 | rope drilling |
释义 | rope drillingnoun : a method of sinking wells or making bore-holes in which the tools are attached to the lower end of a rope or cable and lifted and dropped alternately called also cable drilling, cable system, percussion drilling |
随便看 |
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。