首页 英汉 汉英 英英 词组 用法 例句 同义词 写作 俚语 缩写 词源 词根 法汉 德汉 日汉 俄汉 韩汉 西汉 意汉 泰汉 越汉
| 单词 | butterfly clack |
| 释义 | > as lemmasbutterfly clack ΘΚΠ society > occupation and work > equipment > pump > [noun] > valves clap1626 clack1634 clapper1769 butterfly valve1809 suction valve1831 clack-valve1850 shoe-valve1858 butterfly clack1859 trap-valve1877 1859 W. J. M. Rankine Man. Steam Engine ii. iv. 123 A pair of flap valves placed hinge to hinge (usually made of one piece of leather fastened down in the middle) constitute a ‘butterfly clack’. 1913 Power 12 Aug. 243/2 Sometimes they are made of one piece of leather fastened down in the middle and often known in English practice as a ‘butterfly clack’. < as lemmas |
| 随便看 |
英语词典包含1132095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。