单词 | relay valve |
释义 | relay valveEngineering noun A fluid valve in which the main flow is controlled by a diaphragm which is opened and closed by a weep derived from the main flow. OriginLate 19th century. |
随便看 |
|
英语词典包含243303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。