英语词汇“screw down nonreturn valve”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	screw down nonreturn valve
释义	screw down nonreturn valve 翻译旋下止回阀
随便看	current flight plan message current float current floe condition current flow current flow condition current flow machine current flow method current flow technique current fluctuation current focusing current, foldback current foldback circuit current follower current force current-force characteristic current forecast current forms current fraction of the ion B current free field current-free field current-free plasma current free plasma current freight rate current frequency current-frequency convertor

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