【摘要】 根据土城矿综采工作面的实际生产情况，运用技术经济和数理统计的有关知识和方法，系统地计算并分析了综采工作面直接成本和辅助成本的构成，以及工作面成本、产量连续推进长度间的关系。更多还原

【Abstract】 In this paper,some real information about production in full mechanized working faces in Tucheng mine was collected.Applying the Knowledge and the methods of the technological economics and the statistics,the writers systematically calculated and studied the relationships between the cost,output and continuing progress length of the working faces.更多还原