exhaust of petrol-engine的意思|示意

The petrol engine has, due to its throttled air intake, a large range of variation in exhaust mass flow compared to the Diesel engine.

由于进气口的限流，相比柴油发动机，汽油发动机的排气流量有大范围的变化。

By means of the tuning chamber, the tuning speed range of exhaust system is widened. Thus, the two-stroke petrol engine performance at the middle-low speed range can be improved.

本文采用加装排气调谐腔的方法，拓宽了摩托车用二冲程汽油机排气系统的调谐转速范围，有效地改善了发动机在中低速区的性能。

The characteristic method was used in simulating computation of non steady gas flow process in the exhaust system of model 15a petrol engine.

针对15 A型二冲程汽油机排气系统的流动过程进行了模拟计算，对计算中某些边界条件的计算方法进行了探讨。