First of all, to deal with some spraying petrol, acetone for degreasing treatment with a file, fine sandpaper, oilstone will fatigue layer and oxide layer removed to expose the metal color.

 
  • 首先应对喷涂部分用汽油、丙酮进行除油处理,用锉刀、细砂纸、油石将疲劳层和氧化层除掉,使其露出金属本色。
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