ir_71 发表于 2013-12-1 15:29:54

BS EN 6072:2010 Aerospace series — Metallic materials — Test methods — Con

BS EN 6072:2010 Aerospace series — Metallic materials — Test methods — Constant amplitude fatigue testing




admin 发表于 2013-12-2 10:23:06

谢谢您的分享，金币已奖励!
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