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pre vacuum pump
pre vacuum pump
英
[pre vacuum pump]
美
[pre vacuum pump]
中文释义
预备真空泵
单词分析
单词结构:
pre vacuum pump
字母数:15
记忆提示
🎯 重点记忆:
单词拼写:pre vacuum pump
核心含义:预备真空泵
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更新时间:2025-12-07 21:06:59