便携式电化学气体检测仪
portable electrochemical gas detector
便携式电能分析仪
portable electric energy analyzer
便携式电器检测仪
PASCportable appliance tester
passive branching deviceportable appliance tester
passivation materialportable appliance tester
parabolic reflectorportable appliance tester
便携式电视发射机
portable television transmitter
pack carrier television station
便携式电视接收机
portable television receiver