单词 | luff tackle |
释义 | luff tackle Naut. a tackle having a double block and a single block, giving a mechanical advantage of three or four, neglecting friction, depending on which is the standing and which is the running block. See diag. under tackle. [1690-1700] |
随便看 |
英语词典包含168451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。