小金猪按：2008年北京奥林匹克运动会就要到来了，作为金属加工媒体的一员，本猪一直对各大奥运场馆的建筑过程很感兴趣，尤其是其中使用到的大量创纪录的金属加工技术。以下转载一些“鸟巢”的焊接照片，都是从“百度图片搜索”搜的。

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

screen.width-333)this.width=screen.width-333" border=0>

转自焊接人社区，作者“奋斗”：http://www.maihanji.com/bbs/showcontent.asp?page=3&id=11467&sortid=72