Adopting proportional coefficient method of injury grading in evaluation of value loss of accident casualty is favorable for determining compensation to casualty of mine-worker.
引入伤害分级比例系数法进行事故人员伤亡价值损失的估算，有利于对伤亡矿工赔付额的界定。
2
One screen tracks the position of every worker in the mine.
一个屏幕监测着矿井里每位矿工的位置。
3
1971-1974 Be a worker in the Datong Qingciyao Mine