maintenance ratio
查询英语单词中文释义、音标、发音和例句。
maintenance ratio
英
[maintenance ratio]
美
[maintenance ratio]
中文释义
[航天]维修工时率
单词分析
单词结构:
maintenance ratio
字母数:17
记忆提示
🎯 重点记忆:
- 单词拼写:maintenance ratio
- 核心含义: [航天]维修工时率
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更新时间:2026-08-31 19:55:25