英语词汇“bal-check valve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bal-check valve
释义	bal-check valve noun : a ball valve in which the ball is pushed against or away from its seat by fluid pressure opposed to the action of a spring
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英语词典包含469781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。

bal-check valve