trunking dispatch communication
beam radio communication
British Radio Communication
decimeter radio communication
fire radio communication system
GPRS radio communication
radio communication
无线
射频通讯
无线电通讯
无线通讯
业余无线电通讯
无线移动通讯
无线电通信
无线通信
射频通信
无钱电通信
radio communication network
Radio Communication Signal Covered Scope
Seismic communication radio station erectting
short range radio communication
short-range radio communication
~(60)Co train cargo inspection system
~(60)Co train freight inspection system
“five fixed” express freight train
20 000 ton heavy-hual train