论文部分内容阅读
徐州矿务局已有百余年开采历史。现有13个矿16对井。总设计能力为771万吨。1980年核定综合生产能力为1040万t。“六五”
Xuzhou Mining Bureau has more than 100 years of mining history. The existing 13 mine 16 pairs of wells. The total design capacity of 7.71 million tons. In 1980, the approved total production capacity was 10.4 million tons. “Six Five”