四缸發(fā)動機活塞

A 4-cylinder engine is a common type of internal combustion engine with four cylinde, offering fuel efficiency and reduced emissio. These engines are known for their compact size and lower weight, making them suitable for various vehicles, from compact ca to some sports ca. They provide a balanced and smooth operation due to their arrangement. 4-cylinder engines have improved in performance thanks to technologies like turbocharging. They are generally easier and less costly to maintain compared to larger engines.