除了宝马有X5，你还知道哪些X5?

For diesel engines, we all have a common understanding of black smoke, high noise. With the increasing technology of diesel engines, there has been a marked improvement in black smoke and vibrations. However, due to the characteristics of the environment in which domestic engineering machinery is used, similar to blue smoke, white smoke and black smoke in the operation of engines, these problems will often occur. So let's talk about the engine sm