yupeifeng2004 发表于 2020-9-4 13:53:56

ISO/TS 6336-4-2019

ISO/TS 6336-4-2019 Calculation of load capacity of spur and helical gears — Part 4: Calculation of tooth flank fracture load capacity

admin 发表于 2020-9-5 10:29:12

谢谢您的分享,金币已奖励!
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