Engineering change management, which is basis on product data management (PDM) system, controls the pre-released and released product data.

建立在产品数据管理系统基础上的工程变更管理是指管理处于预发布和发布生命周期状态的产品数据。

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Receiving engineering change information and operating accordingly in material management system to reflect the change information (part level/usage/structure, etc).

接收工程师在工程发布系统中的指令，在物料系统中进行操作，如实反映变更的信息（零件级别、用量，结构等）。

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Receiving engineering change information and operating accordingly in material management system to reflect the change information (part level/usage/structure, etc).

接收工程师在工程发布系统中的指令，在物料系统中进行操作，如实反映变更的信息（零件级别、用量，结构等）。

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