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backing vacuum pump
backing vacuum pump
英
[backing vacuum pump]
美
[backing vacuum pump]
中文释义
前级真空泵
单词分析
单词结构:
backing vacuum pump
字母数:19
记忆提示
🎯 重点记忆:
单词拼写:backing vacuum pump
核心含义:前级真空泵
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更新时间:2026-02-07 10:16:32