How to change oil and send friends?

Changing the oil and sending friends to talk about the feeling of changing the old car for a new car made me unable to accept the love of the woman who cut his arm. About changing cars, the topic of talking with roommates is almost always you. Briefly talk about changing cars, why we met in a hurry, a happy conversation after changing cars, and a long story of self-comfort. Some people say that the old car is because of confusion.

Introduction of engine oil

Engineoil, namely engine lubricating oil, English name, engine oil. The density of 0.9 1 multiplied by 10 can play the roles of lubrication and wear reduction, auxiliary cooling, sealing and leakage prevention, rust prevention and corrosion prevention, and shock absorption and buffering. It's called the blood of a car. Engine oil consists of base oil and additives.

Base oil is the main component of lubricating oil, which determines its basic properties. Additives can make up for and improve the shortcomings of base oil properties and give some new properties, which is an important part of lubricating oil. The engine is the heart of a car. There are many metal surfaces rubbing against each other in the engine. These parts move fast and the environment is poor.