Cold-roll void forming sheet is an important product in cold-roll forming sheet, which usually includes pipe, square tube, rectangle tube and unusual tube made by special requirements.
冷弯空心型钢是冷弯型钢中的一类重要产品，其通常包括圆管、方、矩形管以及按照特殊要求制作的异形管。
The experimental results are collected and compared on single experimental pipe, cross tube bundle, rectangle and triangle cross fin-tube.
对单根试验管、叉排管束、矩形截面超片管和三角形截面翅片管的试验结果进行了综合比较。
Adopt high quality rectangle steel pipe which features in reasonable structure, firm, high intension, without deformation.
机器采用优质矩形钢管焊接而成，结构合理、牢固、强度高、不变形。
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