... 材料采购合同 material purchase contract 材料采购控制 material purchase control 材料产出差异 material output variance ...
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raw material purchase control [工经] 原材料采购控制
Combining purchase, plan, material and machinery management of Lidu Changjiang bridge, this paper presents the characteristic of cost control of the project.
本文结合李渡长江大桥施工过程中采购、方案及料机管理等方面的工作，阐述了项目成本控制方面的特点。
The importance of deposit control in material and equipment purchase is narrated, the optimum choice of deposit control is introduced.
介绍了浓硝酸稀释工业化的工艺方法、设备材料选择及装置运行情况。
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