兑水 发表于 2009-12-8 06:06:58

ASTM F 2246-2003 轴承,滚柱,滚针规范:厚外环有辊和罩

F2246-03 Standard Specification for Bearing, Roller, Needle: Thick Outer Ring With Rollers and Cage
页: [1]
查看完整版本: ASTM F 2246-2003 轴承,滚柱,滚针规范:厚外环有辊和罩