sanmaosjy 发表于 2017-12-8 15:24:05

SAE AMS 4342E-2007 Aluminum Alloy, Extrusions 6.2Zn 2.3Cu 2.2Mg 0.12Zr (7050-T7

SAE AMS 4342E-2007 Aluminum Alloy, Extrusions 6.2Zn 2.3Cu 2.2Mg 0.12Zr (7050-T74511)

admin 发表于 2017-12-12 16:10:26

谢谢您的分享，金币已奖励!
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