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用1/6白垩、1/6水玻璃和4/6水配合在一起,就成为去除焊縫飞濺金属的防护剂。焊接前,把防护剂涂在焊縫坡口的附近。焊好后,飞濺到上面
With 1/6 chalk, 1/6 water glass and 4/6 water together, it becomes a protective agent to remove weld metal spatter. Before welding, the protective agent is applied in the vicinity of the weld groove. After welding, splash to the top