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来源：雅诚德英语网
The characteristics of spiral deformation on ASSEL mill and wall thickness accuracy for thick, middle and thin tubes with various D/S value have been analyzed.
分析了不同D/S值的厚、中、薄壁管在A SSEL轧管机上的螺旋变形特征和壁厚精度。
The characteristics of spiral deformation on ASSEL mill and wall thickness accuracy for thick, middle and thin tubes with various D/S value have been analyzed.
分析了不同D/S值的厚、中、薄壁管在A SSEL轧管机上的螺旋变形特征和壁厚精度。