Test results showed this method is credible, and it can be used to inspect the spot weld quality of car bodies quickly by 100%, and inspect the spot welding quality of any sheet metal.
2
搭接贴角焊接金属薄板的老方法，现今已基本上为对接坡口焊所取代。
The old method of soldering metal sheets together has now been largely replaced by welted joints, which are made by a special efficient mechanical device.
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