Circle Protection and Detection System  环形线行车安全监控系统

flood and ice protection  防洪防凌

airborne warning and detection system  空基预警探测系统

automatic calibration and detection system  自动校准检测系统

default detection and protection  故障检测与保护

Detection and determination of heavy metals  重金属检测

detection and protection  检测与保护

intrusion detection and protection  入侵检测保护

alarm and protection system  报警保护系统

Control and Protection System  控制与保护系统; 控制保护系统; 二次系统; 控保系统

control and protection system of HVDC  直流输电控制保护系统

DC control and protection system  直流控制保护系统

direct current control and protection system  直流控制保护系统

Fire Warning and Protection System  火灾报警

Governing and Protection System  调节保安系统

microprocessor relay and protection system  微机继电保护系统

monitor and protection system  集散监控系统

Power System Protection and Control  电力系统保护与控制

public security and protection system  公共安全系统