煤矿就是一座地下城,它的清洁与否真接影响工人的生产情绪和身心健康,因此,世界各国都十分重视,并有严格的法律法规(如表1所示)。矿尘(如煤尘、粉尘)和有害气体(如瓦斯、一氧化碳)是煤矿生产过程中产生的有害物质,它不仅在无形之中危害工人的身心健康,而 Coal mine is an underground city. Its cleanliness does not affect workers’ production sentiment and physical and mental health. Therefore, all countries in the world attach great importance to it and have strict laws and regulations (as shown in Table 1). Mine dust (such as coal dust, dust) and harmful gases (such as gas and carbon monoxide) are harmful substances produced in the coal mine production process. They not only endanger workers’ physical and mental health invisible, but