The gas explosion of coal mine is the most serious of safety productionaccident of coal mine.
煤矿瓦斯爆炸是煤矿安全生产事故中最为严重的一种。
2
Yellow phosphorus production enterprise may control these dangerous materials and harmful factors to prevent productionaccident.
黄磷生产企业可以通过控制这些危险物质和有害因素，防止生产事故的发生。
3
By reformed the type of the entry sliding guide of round pass on continuous bar mill, the productionaccident of jamming is successfully prevented, and the productivity is increased.