coal mine safety app
查询英语单词中文释义、音标、发音和例句。
coal mine safety apparatus
英
[coal mine safety apparatus]
美
[coal mine safety apparatus]
中文释义
矿山安全仪器
单词分析
单词结构:
coal mine safety apparatus
字母数:26
记忆提示
🎯 重点记忆:
- 单词拼写:coal mine safety apparatus
- 核心含义:矿山安全仪器
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更新时间:2026-09-21 18:25:10