sealed pumpless vacu
查询英语单词中文释义、音标、发音和例句。
sealed pumpless vacuum system
英
[sealed pumpless vacuum system]
美
[sealed pumpless vacuum system]
中文释义
封离的无泵的真空系统
单词分析
单词结构：
sealed pumpless vacuum system
字母数：29
记忆提示
🎯 重点记忆：
- 单词拼写：sealed pumpless vacuum system
- 核心含义：封离的无泵的真空系统
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更新时间：2026-09-21 06:14:57