yupeifeng2004 发表于 2020-9-4 13:51:44

ISO 6336-3-2019

ISO 6336-3-2019 Calculation of load capacity of spur and helical gears — Part 3: Calculation of tooth bending strength

admin 发表于 2020-9-5 10:29:09

谢谢您的分享,金币已奖励!
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