Job description: 1. Responsible for the company's products and raw material cost accounting, Invoicing system of follow-up and maintenance of data, sales statistics and cost analysis.

工作描述：1。负责公司产品及原材料成本核算，进销存系统数据的跟进和维护，销售统计和成本分析。

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Directed towards the sequencing diagnosis problem in the system maintenance, the generic description of the system is presented.

针对系统维修中的顺序诊断策略问题，给出了问题的一般描述。

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