The method of technological rating of material used in foundry and the structure of the management system were introduced.
介绍了铸造用原辅材料工艺定额的方法和材料定额管理系统的结构及功能。
The method of technological rating of material used in foundry and the structure of the management system were introduced.
介绍了铸造用原辅材料工艺定额的方法和材料定额管理系统的结构及功能。
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