五分头LW 发表于 2017-1-18 10:48:47

ASME B16.20-93 Metallic Gaskets for Pipe Flanges-Ring-Joint, Spiral-Wound, and J

ASME B16.20-93 Metallic Gaskets for Pipe Flanges-Ring-Joint, Spiral-Wound, and Jacketed (C)

admin 发表于 2017-1-25 11:47:30

谢谢您的分享,金币已奖励。

fgh222 发表于 2017-10-27 20:33:17

感谢分享，谢谢了                     
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