在经济可比性的范围内，分析生产焊接钢管和无缝钢管时，各类不同工艺流程条件下的物料消耗构成和价格比较。
Bosed on economic comparability the consumption of materials and the price of welding and seamless pipe are compared under the different producing process.
对生产线的物料实施管理，确保在线物料的准确一致性，并降低物料的消耗。
Manages the production materials, ensures that the material is in consistent with the list, and abates the wastes.
对生产线的物料实施管理，确保在线物料的准确一致性，并降低物料的消耗。
Manages the production materials, ensures that the material is in consistent with the list, and abates the wastes.
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