单相电度表是度量有功电能的常用电工仪表。
The single phase kilowatt-hour meter is an often-used electrotechnical instrument to measure the active electric energy.
将热力学方法与电工仪表测算电动机轴功率方法结合起来，可以较准确地测出一台工业用大型水泵的性能。
An in-situ test of large industrial water primps characteristics, which is a combination of thermodynamical method and motor shaft power measurement, is described in this paper.
将热力学方法与电工仪表测算电动机轴功率方法结合起来，可以较准确地测出一台工业用大型水泵的性能。
An in-situ test of large industrial water primps characteristics, which is a combination of thermodynamical method and motor shaft power measurement, is described in this paper.
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