operational life spa
查询英语单词中文释义、音标、发音和例句。
operational life span
英
[operational life span]
美
[operational life span]
中文释义
[计] 使用寿命
单词分析
单词结构:
operational life span
字母数:21
记忆提示
🎯 重点记忆:
- 单词拼写:operational life span
- 核心含义:[计] 使用寿命
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更新时间:2026-08-31 17:40:43