半传热热量计
semiadiabatic calorimeter method
脉冲激光光声微量量热计
Laser pulsed photoacoustic calorimeter
电能计量表计
energy measurement instruments
电能量计量计费
power telemeter and settlement system
电能量计量计费系统
power energy billing system
telemeter reading system
the System of Measuring and Billing of Power Energy
tele meter reading system
计量表计
metering electricity meter