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采煤区队提高单产水平的几点做法徐州矿务局三河尖煤矿杨正华，吴兴荣，杨伯达三河尖煤矿采煤三区自１９９１年改革管理体制、推行科学管理以来，单产水平显著提高。高档普采工作面单产水平由１９９１年前的１．６万／月上升到１９９３年的４．５４万ｔ／月，直接工效达２...
Coal mining team to improve the level of several production practices Xuzhou Mining Bureau Sanhejian Coal Mine Yang Zhenghua, Wu Xingrong, Yang Boda three Hejian coal mining three districts since 1991 reform management system, the implementation of scientific management, the level of yield increased significantly. The production level of high-grade general mining face increased from 16,000 / month before 1991 to 45,400 t / month in 1993, and the direct working efficiency reached 2 ...