lotus999 发表于 2015-1-18 20:27:36

SAE AMS 4305 Aluminum Alloy, Extruded Profiles

Aluminum Alloy, Extruded Profiles (7449-T79511) 8.1Zn - 1.8Cu - 2.2Mg - 0.16Zr Solution Heat Treated, Stress Relieved, and Overaged

admin 发表于 2015-1-19 11:17:51

谢谢您的分享,金币已奖励

yandapeng117 发表于 2015-10-16 13:09:34

:lol:lol:lol:lol:lol:lol:lol:lol:lol:lol:lol

jokechen 发表于 2016-12-7 16:11:43

学习啦,找了很久,非常感谢!
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