ASTM D8227-20
用高频线性振荡(SRV)试验机测定机械传动液(MTF)润滑的同步器摩擦系数的标准试验方法
Standard Test Method for Determining the Coefficient of Friction of Synchronizer Lubricated by Mechanical Transmission Fluids (MTF) Using a High-Frequency, Linear-Oscillation (SRV) Test Machine