fire protection rati
查询英语单词中文释义、音标、发音和例句。
fire protection rating
英
[fire protection rating]
美
[fire protection rating]
中文释义
耐火等级
单词分析
单词结构:
fire protection rating
字母数:22
记忆提示
🎯 重点记忆:
- 单词拼写:fire protection rating
- 核心含义:耐火等级
最近查询:
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更新时间:2026-09-20 16:38:19