Material spec is wrong 原材料规格错误
Specks or unmelts are more likely in off-spec or post-industrial recycled material.
黑点或不熔物更可能出现在副牌料或后工业回收材料中。
Be responsible for sample drawing, production drawing and material purchase spec making;
负责样品图纸、生产图纸和采购规范的编制；
Supervise all the goods species , quantity and spec can match with the material plan;
监督实际送货的品种、数量、规格与发放的物料需求计划相符合；
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