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年产量水洲 万吨一际矿…数量矿工数量年产量万吨 平均工效吨/人·小时平均矿工数 人/矿 之1000500~1000100~500 50~100 10~50 5~10 1~5 1121618315583650489966841004259435371389228428813492503541172141079937719107731897536242414 26520 751 1.844 .063。563 .262 .072?
Annual output of water Island million tons of a mine ... Number of the number of miners Annual output of 10,000 tons The average effective tonne / person / hour The average number of miners / person 1000500 ~ 1000100 ~ 500 50 ~ 100 10 ~ 50 5 ~ 10 1 ~ 5 1121618315583650489966841004259435371389228428813492503541172141079937719107731897536242414 26520 751 1.844 .063.563 .262 .072?