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花落闲池 发表于 2008-7-25 12:04 ' V4 S c5 r: B$ v2 h- M8 E. J1. MSS-SP-55 铸件表面缺陷大全。; V! [" n; j) x6 [6 S+ X 2. A997 Standard Practice for Investment Castings, Surface Acceptan ...
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