Cutting roll-formed steel C-section to stub columns will produce different extent of cross section distortion along the lengths and cause additional initial geometric imperfections.
把辊轧成型的C形冷弯薄壁型钢构件切割成若干短柱，在短柱中将产生不同程度的歪曲变形，进而引起附加的初始几何缺陷。
The initial effects, process continuousness, roll-sticking, color distortion and reparation, and the other common problems were analyzed. The countermeasures were proposed.
对织物防水防油整理的初期效果、加工持续性、粘辊性、色变及回修等常见问题产生进行了分析，提出了解决的措施。
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