兑水 发表于 2009-10-21 22:54:34

ASTM D 6121-2006 用净负载双曲面驱动轴在低温和高扭矩条件...

D6121-04 Standard Test Method for Evaluation of the Load Carrying Capacity of Lubricants Under Conditions of Low Speed and High Torque Used for Final Hypoid Drive Axles
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