单词 | fall |
释义 | fall [fȯl] ASTRONOMY 1. Of a spacecraft or spatial body, to drop toward a spatial body under the influence of its gravity. 2. See <<autumn>> ENGINEERING The minimum slope that is required to facilitate proper drainage of liquid inside a pipe. MECHANICAL ENGINEERING The rope or chain of a hoisting tackle. MINING ENGINEERING A mass of rock, coal, or ore which has fallen from the roof or side in any subterranean working or gallery. |
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。