From the system efficiency formula derivation, the influential factors of system efficiency were considered.
本文从系统效率公式推导，分析了影响系统效率的主要因素。
The analysis of filtering flow process of aluminum cast alloy based on hydraulic simulation was carried out. The filtering efficiency formula was established.
通过水力学模拟试验对铸造铝合金过滤流动过程进行了分析，建立了过滤效率的水力学模拟试验关系式。
The analysis of filtering flow process of aluminum cast alloy based on hydraulic simulation was carried out. The filtering efficiency formula was established.
通过水力学模拟试验对铸造铝合金过滤流动过程进行了分析，建立了过滤效率的水力学模拟试验关系式。
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