At present, some of the field calibrator has little incorrect connection judging function, for the electric energy metering devices running state detection work is far from sufficient.
目前一些现场校验仪具有少量错误接线判断的功能，对于电能计量装置运行状态检测工作来说是远远不够的。
The paper introduced the household heating system and its function for heat metering and collecting fee.
介绍了满足热计量收费的分户供暖系统流程及其作用。
Function: packing, bar code identification, printing, sealing, metering, labeling a, coding, marking, melt plastic and so on.
功能：充填、条码识别、打印、封口、计量、贴标答，打码、喷码、熔胶等。
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