ASTM D8256-23
评价汽车发动机油对以汽油为燃料并在低温、强光下运行的序列 VH 火花点火发动机中沉积物形成的抑制作用的标准试验方法
Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in the Sequence VH Spark-Ignition Engine Fueled with Gasoline and Operated Under Low-Temperature, Ligh