针对中厚板生产中出现的钢坯混钢问题，建立了推钢式加热炉钢坯实时跟踪系统。
In order to resolve the billet-jamming problem during plate production, the real-time tracing system for billet of pushing reheating furnace has been established.
然而，使用“推动式”MRP系统的生产计划就好像在推一根绳子，你不知道它的前进方向。
Scheduling production with MRP push logic, however, is like pushing a rope. You don't know what direction it will go.
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