reciprocating positi
查询英语单词中文释义、音标、发音和例句。
reciprocating positive displacement vacuum pump
英
[reciprocating positive displacement vacuum pump]
美
[reciprocating positive displacement vacuum pump]
中文释义
往复正排量式真空泵
单词分析
单词结构：
reciprocating positive displacement vacuum pump
字母数：47
记忆提示
🎯 重点记忆：
- 单词拼写：reciprocating positive displacement vacuum pump
- 核心含义：往复正排量式真空泵
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更新时间：2026-09-21 12:25:41