sanmaosjy 发表于 2017-12-12 09:17:38

SAE AMS 2759/1C-2000 Heat Treatment of Carbon and Low-Alloy Steel Parts Minimum

SAE AMS 2759/1C-2000 Heat Treatment of Carbon and Low-Alloy Steel Parts Minimum Tensile Strength Below 220 ksi (1517 MPa)

admin 发表于 2017-12-13 18:52:18

谢谢您的分享，金币已奖励!
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