the average size of grains
the average size of grains
晶粒的平均大小
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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