冷却液膜
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coolant-fluid film 冷却液膜
coolant fluid film
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It is usually difficulty to obtain film coefficients between the working roll and the coolant fluid as we solve the temperature field of the roll.
工作辊与冷却液之间对流换热系数的确定是轧辊温度场分析的难点。
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