In goaf the float coal spontaneous combustion disaster affects seriously the safe production of the coal mine.
采空区浮煤自燃灾害严重影响了煤矿的安全生产。
The major effect factors of heat accumulating has temperature, float coal thickness, air leak intensity and voidage.
影响煤体热量积聚的主要因素有温度、浮煤厚度、空隙率和漏风强度。
The major effect factors of heat accumulating has temperature, float coal thickness, air leak intensity and voidage.
影响煤体热量积聚的主要因素有温度、浮煤厚度、空隙率和漏风强度。
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