汽缸数可变的发动机，是一种汽车在行驶时可以自动改变汽缸数目的发动机，它在日本已首次使用了。据了解，它是日本汽车公司在二月底研究成功的，采用于小轿车“脉冲装置”所载的E型发动机上，在不需要过多燃料的减速时，可以把燃料由向四人汽缸减少到向两个汽缸进行供给。汽缸 A variable-cylinder engine, an engine that automatically changes the number of cylinders while the car is in motion, has been used for the first time in Japan. It is understood that it is the Japanese car company successful research at the end of February, used in the car “pulse device” contained in the E-type engine, without too much fuel deceleration, the fuel can be reduced from the four-cylinder To supply two cylinders. cylinder