... 不洁净的浆料:frowy stuff 不合规格的纸卷:stub roll 不合格纸张:seconds, side-run paper ...
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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。
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