wattmeter

The meter with which we check power is a wattmeter.

我们用来检查功率的仪表是瓦特计.

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She shattered the chattering wattmeter in the chaos.

她在混乱中打碎了格格作响的瓦特计.

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A reverse power relay is a relay a wattmeter that senses the direction of power flow.

逆功率继电器,是指带瓦特计的继电器,用来感知电流的方向.

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