Process of feeding steel system is analyzed, and parameter calculating model is given.
分析了冷床送钢系统的工艺过程，给出了参数计算模型。
Because the parameter on sealing performance was difficult to calculate accurately by traditional theory, so the system model of calculating mechanical sealing performance was needed urgently.
由于传统理论计算密封性能参数的精度有限，因此迫切需要一套科学系统的机械密封性能计算模型。
An calculating method for design parameter optimization of the propulsion system of the sounding rocket is given.
提出了探空火箭动力系统设计参数优化计算方法。
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