亚前言多年来，我段东风‘型机车增压柴油机油（以下简称机油）是依据常规化验结果来评定质量和确定是否换油的。由于日常补油量大，除机油突然被稀释外，即使换油周期很长，其常规化验项目的指标也能维持合格。但是，实际上机油中的添加剂量已严重不足，机油质量已变坏。使用? Asia Preface Over the years, my paragraph Dongfeng ’locomotive turbocharged diesel engine oil (hereinafter referred to as the oil) is based on routine test results to assess the quality and determine whether the oil change. Due to the large amount of daily oil supply, in addition to oil suddenly diluted, even if the oil change cycle is long, the indicators of its routine laboratory projects can maintain compliance. However, in fact, the amount of additive in the oil is seriously insufficient and the quality of the oil has deteriorated. use?