随着发动机技术的进步，化油器式发动机已经被电喷发动机所取代。
With the progress of the engine technology, the fuel injection systems of modern engines are all electronic-controlled, instead of using traditional carburetor.
本课题在DA462化油器式发动机上匹配了一个EGR系统，并进行了大量的台架试验。
An EGR system was fixed on a DA462 carburetor engine, and many tests have been done on the engine test bed.
从电喷发动机与化油器式发动机进气系统的结构特点出发，分析了这两类发动机的工作过程。
The operation process of the carburetor engine and EFI engine are analyzed according to the structure features of the intake system of both engines.
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