请输入您要查询的英语单词:
单词
non-return valve
释义
non-return valve
un.
止回阀;止逆阀;逆止阀
[网络]
单向阀;切断式止回阀;正向阀
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structure of ores
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structure of polymer
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structure of rock mass
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英汉翻译词典包含4368284条英汉汉英翻译词条,基本涵盖了全部常用英语单词及常用语的翻译及用法,是英语学习的有利工具。
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更新时间:2026/10/18 17:51:41