At the same time, ERP companies are increasing their ability to handle and maintain engineering and product design data, which will put under a big question mark the potential implementation of PLM.

同样的，ERP公司也将提高其管理和维护工程及产品设计数据的能力，而这将给PLM实施的前景打上大大的问号。

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This article analyzes the reason of the sink-mark on injection molding product, and raise the solution about this question from view point of molding technology.

分析注塑件产生缩痕的原因，并从成型工艺角度出发提出解决缩痕的对策。

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