自20世纪70年代前后,发达国家相继制定并颁布职业安全与健康法规以来,各行业安全状况均有不同程度的改善,尤其是80年代事故死亡人数大幅度下降,进入90年代以后已经很少发生一次死亡3人以上的重大事故,各国的事故死亡人数呈稳定下降的趋势。发达国家纷纷在上世纪70年代推出比较 Since the 1970s, developed countries successively enacted and promulgated occupational safety and health laws and regulations, the safety status of various industries has been improved to varying degrees, especially in the 1980s, the accident death toll dropped significantly, into the 90s has rarely occurred The number of major accidents that killed more than three people at one time showed a steady decline in the number of fatal accidents in various countries. Developed countries have introduced in the 70s of last century comparison