safety regulations i
查询英语单词中文释义、音标、发音和例句。
safety regulations in coal mine
英
[safety regulations in coal mine]
美
[safety regulations in coal mine]
中文释义
煤矿安全规程
单词分析
单词结构：
safety regulations in coal mine
字母数：31
记忆提示
🎯 重点记忆：
- 单词拼写：safety regulations in coal mine
- 核心含义：煤矿安全规程
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更新时间：2026-09-25 14:17:16