If the surface contains rust, which should be in advance cleaned away by metallic brush, in addition to, can also wipe the surface.
如果表面有易剥落锈蚀，应事先用金属刷清除，必要时还可用酒精、丙酮等有机溶剂擦拭表面。
If the surface contains rust, which should be in advance cleaned away by metallic brush, in addition to, can also wipe the surface.
如果表面有易剥落锈蚀，应事先用金属刷清除，必要时还可用酒精、丙酮等有机溶剂擦拭表面。
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