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non-return flap valve
non-return flap valve
英
[non-return flap valve]
美
[non-return flap valve]
中文释义
[化] 止回阀
单词分析
单词结构:
non-return flap valve
字母数:21
记忆提示
🎯 重点记忆:
单词拼写:non-return flap valve
核心含义:[化] 止回阀
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更新时间:2026-01-31 20:09:17