冷量计量仪表的选型
The selection of a Cold quantity measurement
会计计量基础
accounting measurement basis
计量基准
metrology primary standard
primary standards
metewand =meteyard
量子计量基准
quantum measurement standards
quantum measurement standard
电测仪表计量装置
propotioning adevice of electric measuring instruments
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
the System of Measuring and Billing of Power Energy
power energy billing system
tele meter reading system
telemeter reading system
计量表计
metering electricity meter