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[求助] 压铸件产品抛丸2次,拿到手里触摸有一层黑灰,怎样处理... | 
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 专业生产高端抛丸机 
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 压铸件,冲压件,CNC,电脑配件,五金配件去毛刺抛光清洗设备 18968682082赖军 
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手机版|小黑屋|中铸之家 ( 浙ICP备15041839号-1 )
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