转换机制练内功降低成本增效益华亭县华亭煤矿矿长、高级工程师李志信１９９２年在面对吨煤政策性增支和原材料增支３元、吨煤运价增支７元的情况下，通过算帐，全年各种增支将高达５００万元。面对这种情况，如何既要消化５００万元的增支因素，又要确保５００万元利润计... Conversion mechanism to reduce internal costs Reduce costs and increase benefits Huating County Huating coal mine manager and senior engineer Li Zhixin in 1992 in the face of policy-based tons of coal and raw materials increased by 3 yuan, coal tons of coal by 7 yuan increase in support of the case Accounting, all kinds of annual increase will reach 5000000 yuan. In the face of this situation, how both it is necessary to digest the additional factor of 5 million yuan, but also to ensure that 5 million yuan profit ...