英语词汇“pressure hold-back valve”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	pressure hold-back valve
释义	pressure hold-back valve [作业运输] 压力遏止阀 [生活需要] 密封舱单向阀
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