单词 | boomer |
释义 | boomer [`büm·ǝr] ENGINEERING A device used to tighten chains on pipe or other equipment loaded on a truck to make the cargo secure. MINING ENGINEERING In placer mining, an automatic gate in a dam that holds the water until the reservoir is filled, then opens automatically and allows the escape of such a volume that the soil and upper gravel of the placer are washed away. |
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。