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 9606| 14
 
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[求助] 铸件气孔问题,模具进料有没有更好的方法和改善方法? | 
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 一身本事闯天涯。 
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 越干越不懂,越不懂越努力学! 
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 梦里身是客 
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 越干越不懂,越不懂越努力学! 
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 学无止境 
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 浪迹天涯 
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