A new type adjustable speed motors are introduced instead of imports, the effects of two braking structures to the motor are respectively analysed.
介绍了一种新型的可替代进口的调速电机，分析了采用两种制动结构对设备的影响。
2
Briefly introduces the function characteristics of assistant braking system, its main types in engine braking and retarder and effects in adjustment and application.
介绍了辅助制动系统的功能特点、发动机制动和缓行器等主要辅助制动装置类型、安装试验效果及应用情况。
3
Based on the BJH model of traffic flow, a modified BJH model by considering the effects of the braking state of vehicle ahead on traffic flow is proposed.