liuxilin1215 发表于 2015-8-29 19:14:17

AGMA 908-B89 Geometry Factors for Determining the Pitting Resistance and Bending

AGMA 908-B89 Geometry Factors for Determining the Pitting Resistance and Bending Strength of Spur, Helical and Herringbone Gear Teeth

admin 发表于 2015-8-31 10:54:50

谢谢您的分享,金币已奖励!
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