Analyses parameter have inclined Angle, pipe diameter size, gas liquid ratio and friction factor and so on.
分析参数有：倾斜角度、管径大小、气液比和摩阻系数等。
The results show that the pouring temperature has the largest effect on the average size and shape factor of the grains, and then the angle of inclined pipe, the rotating speed of straight pipe.
结果表明，浇注温度对晶粒平均尺寸和平均形状因子影响最大，斜管角度次之，立管转速对其影响最小；
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