| 单词 | head valve |
| 释义 | Definition of head valve in English:head valvenoun Mechanics
OriginMid 19th century. Definition of head valve in US English:head valvenoun Mechanics
OriginMid 19th century. |
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。