在合同生产工程/细目分类阶段，由图纸办公室和/后生产工程人员提出请购单。
PR's are raised during the Production engineering/breakdown phase of a contract by Drawing office and/or Production Engineering personnel.
在合同生产工程/细目分类阶段，由图纸办公室和/后生产工程人员提出请购单。
PR's are raised during the Production engineering/breakdown phase of a contract by Drawing office and/or Production Engineering personnel.
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