The constructing technique of the160? Meter diameter welding ball junction double-deck net shell steel structure roofing of which is in the leading position in China.

160米直径焊接球结点双层网壳钢结构屋面施工技术在国内处于领先地位。

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Possessing two methods of arc extinguishing and function of ball cutting after welding, suitable for different high performance welding procedures of semi-automation, automation and robot.

拥有两种收弧模式和焊后削小球功能，适合半自动、自动焊、机器人等不同的高性能焊接工艺需求。

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The welding of hollow aluminium ball has more particularities, it adopts the vacuum electronic beam welding that is more favorable than laser welding.

空心铝球的焊接更有特殊性，采用真空电子束焊接比激光焊接更为有利。

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