HPS High Performance Switch
Service Switch Point SSP
end-to-end service performance measurement
Passenger Service Performance
public service performance
Road Service Performance
Self-service service terminal
Service Performance
使用性能
路用性能
服役性能
运行特性
服用性能
经济效益
使用效果
电气性能
服务性能
业务性能
Service Performance Evaluation
Service Performance of Asphalt Pavement
service performance testing
single-plane (through-plane service) service
Web service performance metrics
coupled (linked)switch,deck switch,gang switch
Air Switch，Air-break Switch