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vacuum valve
vacuum valve
英
[vacuum valve]
美
[vacuum valve]
中文释义
[化] 真空阀
单词分析
单词结构:
vacuum valve
字母数:12
记忆提示
🎯 重点记忆:
单词拼写:vacuum valve
核心含义:[化] 真空阀
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更新时间:2026-01-08 18:34:50