In goaf the floatcoal 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。
2
The major effect factors of heat accumulating has temperature, floatcoal 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。
3
This paper proposed to use coal tar and other processed products instead of partial heavy oil for float glass plants and analyzed related market supply, economic and technical feasibility.