冒顶事故是什么意思_冒顶事故用英语怎么说_冒顶事故的翻译_冒顶事故翻译成_冒顶事故的中文意思_冒顶事故怎么读,冒顶事故的读音,冒顶事故的用法,冒顶事故的例句

The reason and forecast of roof falling are analyzed. And the preventive measures are provided.

分析了冒顶事故的发生原因和预兆,提出了预防措施.

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The roof falling accident is the most commonly occurring accidents in coal mines mining process.

矿山井下开采过程中,最常发生的事故就是冒顶事故.

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