TBN

Many engine OEMs specify the minimum equilibrium TBN of the used lubric, in addition to other parameters that should be carefully monitored in order to ensure the oil is in satisfactory condition .

为确保润于满意的状况，除我们应注意观察的其他一些参数外，许多发机制造商都为用中的润规定了最低均衡总碱值。