据有关部门调查显示，煤炭行业是我国工业生产中伤亡事故最严重的行业，每年煤矿事故死亡人数占全国矿山行业死亡人数的８０％以上，占全国工矿企业死亡人数的５０％以上，居全国各行业的首位。我国煤矿每年的死亡人数均大大超过了世界其他采煤国家死亡人数的总和。更令人吃惊 According to the survey conducted by the relevant departments, the coal industry is the most serious industry in terms of casualties in industrial production. The death toll from coal mine accidents accounts for more than 80% of the death tolls in the mining industry each year, accounting for over 50% of the death tolls of industrial and mining enterprises in the country. First in the industry. The annual death toll in coal mines in China far exceeds the total death toll from other coal mining countries in the world. Even more surprising