在订货管理中，首次将物料作出合理的分类，并应用不同的模型实现科学订货。
In order management, this paper makes a reasonable classification of the construction materials for the first time, and applies different scientific order models.
在订货管理中，首次将物料作出合理的分类，并应用不同的模型实现科学订货。
In order management, this paper makes a reasonable classification of the construction materials for the first time, and applies different scientific order models.
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