改善了以原材料为导向的设计，通过提高无故障生产率极大地体现了经济的重要性。
The product equability is to be improved and an increased efficiency of machines and fiber feed systems is to be achieved .
在塑料管材生产线中，为了提高产品的质量、几何精度和节约原材料，所用的挤出机必须要有稳定的生产率。
In plastic pipe extrusion lines, for the purpose of improving the product quality, improving the geometry precision and saving raw materials, the extruder must have a stable output rate.
本文还对产量柔性下最优生产率及最优生产批量和原材料订购决策进行了分析。
We also analyse optimal production rate, optimal batch size and raw material ordering policy under volume flexibility.
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