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rotary positive displacement vacuum pump
rotary positive displacement vacuum pump
英
[rotary positive displacement vacuum pump]
美
[rotary positive displacement vacuum pump]
中文释义
旋转正排量式真空泵
单词分析
单词结构:
rotary positive displacement vacuum pump
字母数:40
记忆提示
🎯 重点记忆:
单词拼写:rotary positive displacement vacuum pump
核心含义:旋转正排量式真空泵
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更新时间:2026-04-14 13:16:54