mechen 发表于 2016-5-4 14:46:47

ASM：Heat Treatment of Gears： A Practical Guide for Engineers by A K Rakhit

ASM：Heat Treatment of Gears： A Practical Guide for Engineers by A K Rakhit
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admin 发表于 2016-5-4 15:37:12

谢谢您的分享,金币已奖励!

用户5879717616 发表于 2018-4-14 22:22:40

你好,谢谢你的分享。渗碳淬火吗

peter_great 发表于 2020-3-5 09:50:45

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