大修成本

电解槽寿命越长，电解槽的大修分摊成本越低；但随着电解槽槽龄增加，阴极压降的上升和电流效率的降低会造成吨铝电耗增加。

But the energy consumption will increases at the same time with the increase of pot life because of the increase of cathode voltage drops and of the decrease of current efficiency .

本文的研究结果对高等级公路大修工程项目成本管理有一定的借鉴作用。

The result of the research can provide reference for the cost management in higher level highway rehabilitation .

由于电解槽大修和生产成本原因，延长铝电解槽寿命已是当前铝行业研究的主要方向和迫切要求。

Because of electrolysis groove overhaul and production cost reason , it has been urgent requirement and the major direction of current aluminum profession research to prolong aluminum electrolysis groove life .

供电企业大修及技改项目成本管理研究

Research on Project Cost Management of Heavy Repair and Technical Improvement in Power Supply Enterprises

完成发动机大修报告，记录零件使用情况并核算零件和发动机大修成本。

Complete engine overhaul reports , record parts usage and determine total component and engine rebuild cost .