asnt2012 发表于 2019-9-18 20:59:43

ISO 20054 2016 Plain bearings - Bearings containing dispersed solid lubricants

ISO 20054 2016 Plain bearings - Bearings containing dispersed solid lubricants

admin 发表于 2019-9-20 14:08:58

谢谢您的分享,金币已奖励!

hung 发表于 2019-9-21 10:19:13


謝謝樓主的分享!!!!!!
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