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耐磨用绿碳化硅1000#航空材料抛光 Green silicon carbide 1000 mesh for wearproof Aeronautical material Green silicon cabrdie Emery sand Carborundum Green polish powder Sandblasting Cleaning Surface treatment Deburring Grinding |
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绿碳化硅是在电阻炉中 |
耐磨用绿碳化硅1000#航空材料抛光