英语词汇“back pressure valve{=non-return valve}”的翻译、意思、用法、释义-英汉汉英词典

单词	back pressure valve{=non-return valve}
释义	back pressure valve{=non-return valve}背压阀；止回阀back pressure valve{=non-return valve}背壓閥；止回閥海洋科學名詞—造船工程
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