ASTM D6837乘用车和轻型货车VIB序列火花点火发动机中汽车发动机油节油效果测量的标准试验方法
日期:2012-02-08 10:10
ed to as BC oil) has been established for this test to provide a standard against which all other oils can be compared. The BC oil is an SAE 5W-30 grade fully formulated lubricant. There is a direct correlation of Test Method D6837 (Sequence VIB) Fuel Economy Improvement (FEI) by percent with the fuel economy results obtained from vehicles representative of current production running under the current EPA testing cycles. The test procedure was not designed to give a precise estimate of the diffe
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