负责管理车间，包括控制备件的使用，库存明细及外部服务等各项活动，合理优化安全库存，及时补给。

To be responsible of recording the movement of spare parts and other inventories, service used spare parts, maintain optimum stock level and the replenishment process.

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最后，提出了基于需求预测的安全库存量确定方法和安全库存基于时间的优化方法。

Finally, the paper puts forward the method of determining the safety stock based on the demand prediction, and optimization method based on time.

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