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pneumatic flapper valve
pneumatic flapper valve
英
[pneumatic flapper valve]
美
[pneumatic flapper valve]
中文释义
气动瓣阀,气动止回阀
单词分析
单词结构:
pneumatic flapper valve
字母数:23
记忆提示
🎯 重点记忆:
单词拼写:pneumatic flapper valve
核心含义:气动瓣阀,气动止回阀
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更新时间:2026-01-02 23:48:42