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flap check valve
flap check valve
英
[flap check valve]
美
[flap check valve]
中文释义
阀瓣式止回阀
单词分析
单词结构:
flap check valve
字母数:16
记忆提示
🎯 重点记忆:
单词拼写:flap check valve
核心含义:阀瓣式止回阀
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更新时间:2026-01-31 18:43:29