机理分析法建立了铸造罐内压力变化的数学模型，分析了各参数对铸造罐内压力变化的影响。
A mathematic model of the pressure changes in the casting pot is established by the analytical method, and the influence of each parameters on the pressure changes in the casting pot is analyzed.
机理分析法建立了铸造罐内压力变化的数学模型，分析了各参数对铸造罐内压力变化的影响。
A mathematic model of the pressure changes in the casting pot is established by the analytical method, and the influence of each parameters on the pressure changes in the casting pot is analyzed.
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