Profile (flatness) : after the establishment of coiling tension, there shall be no wave in the F4 mill stand exit in visual.
板形(平直度)：在卷取张力建立后，F4机架出口带材目测无波浪。
The number of wavelengths and their distribution are determined by the gain wave range and the degree of flatness required by the system.
波长的数量和分配取决于增益波段和系统要求的平坦程度。
The transverse distributions of above mentioned force parameters are obtained in 3 cases of edge wave, center wave and good flatness of rolled strip.
获得了轧后边浪、中浪和板形良好等三种不同板形条件下这些力参数的横向分布规律。
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