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The internal-caused fire is one of the disasters in coal mine.
内因火灾是煤矿的重大灾害之一。
youdao
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The quantitative evaluation method of the coal mine fire risk is discussed.
探讨了煤矿火灾危险的定量评价。
youdao
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The quantitative evaluation method of the coal mine fire risk is discussed.
探讨了煤矿火灾危险的定量评价。
youdao