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.
分析了飞机制造行业材料定额管理的特点，对材料定额的数据流程作了详细的阐述。
Analyze the characteristic of material ration management in aircraft manufacturement and describe data procedure of material ration in details.
细化材料定额管理是客车企业的重要任务之一。 搞好细化材料定额管理工作，可以大幅度降低产品成本，提高企业的经济效益。
The refinement of the rated material management is one of important tasks for coach making enterprises because it can reduce greatly the products cost and raise economic effect.
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