lotus999 发表于 2020-9-16 15:22:00

ISO 10300-1:2001 - Calculation of load capacity of bevel gears -- Part 1

ISO 10300-1:2001 - Calculation of load capacity of bevel gears -- Part 1: Introduction and Geneal Influence Factor0

admin 发表于 2020-9-16 15:51:34

谢谢您的分享,金币已奖励!
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