prereacted raw batch 预反应料
A traceability system is in place, including tracing back from the final product through quality control data and batch records to the raw materials used and the suppliers?
现场是否有可追溯体系，包括通过质量控制数据和批次记录，由最终产品追溯到所有的原材料和供应商？
We also analyse optimal production rate, optimal batch size and raw material ordering policy under volume flexibility.
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。
The seamless steel tube production is characterized by complicated procedures, various sorts, non-unified standards, small batch and high requirements for raw material quality.
无缝钢管生产的特点是工序复杂、多品种、多规格、小批量、对原材料质量要求较高。
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