sanmaosjy 发表于 2017-12-12 09:06:32

SAE AMS 2759/2C-2000 Heat Treatment of Low-Alloy Steel Parts Minimum Tensile St

SAE AMS 2759/2C-2000 Heat Treatment of Low-Alloy Steel Parts Minimum Tensile Strength 220 ksi (1 51 7 MPa) and Higher

admin 发表于 2017-12-13 18:52:16

谢谢您的分享，金币已奖励!
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