... 事故照明灯 accident light 有功电度表 active kilowatt-hour meter 有功功率表 active wattmeter ...
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Accurate gage of the locomotive power, active and passive, are realized via the intelligent kilowatt-hour meter, making the scientificmanagement of locomotive power possible at the same time.
该系统实现了机车用电（有功、无功）的准确计量，同时为机车用电的科学管理打下了基础。
The single phase kilowatt-hour meter is an often-used electrotechnical instrument to measure the active electric energy.
单相电度表是度量有功电能的常用电工仪表。
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