一、建立油龄的概念油箱中的在用油已运行的公里数(或小时数)并不是简单地等于换油后设备的运行里程数。机油在运行中由于漏损、窜烧、挥发等原因而不断消耗,因而要不断补加新油。补加新油的运行里程短于原来的油箱中的油的里程,所以油箱中的在用油是各种不同老化程度的油的混合物。它除了与换油后运行的里程有关外,还与机油容量及补加新油的频率及数量(等 First, the establishment of the concept of oil age Fuel tank has been running in the number of kilometers (or hours) is not simply equal to the oil mileage after the operation of the device mileage. Oil in operation because of leakage, channeling, volatile and other reasons and continue to consume, and therefore continue to add new oil. Additional new oil mileage is shorter than the original tank of oil mileage, so the tank in the oil is a mixture of a variety of different degrees of aging of the oil. It is not only related to the running mileage after oil change but also related to the oil capacity and the frequency and quantity of new oil