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。
SAW sensors require no power supply and can be used for wireless measurement, so SAW sensors can be placed on rotating shaft to measure the torque.
声表面波传感器可以实现无源化并进行无线测量，从而可以应用于转轴的扭矩测量。
SAW sensors require no power supply and can be used for wireless measurement, so SAW sensors can be placed on rotating shaft to measure the torque.
声表面波传感器可以实现无源化并进行无线测量，从而可以应用于转轴的扭矩测量。
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