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vacuum relay valve
vacuum relay valve
英
[vacuum relay valve]
美
[vacuum relay valve]
中文释义
真空继动阀;真空式自动转换阀门
单词分析
单词结构:
vacuum relay valve
字母数:18
记忆提示
🎯 重点记忆:
单词拼写:vacuum relay valve
核心含义:真空继动阀;真空式自动转换阀门
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更新时间:2026-03-22 20:40:50