我们用来检查功率的仪表是瓦特计。

The meter with which we check power is a wattmeter.

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功率单位等于千分之一瓦特。

A unit of power equal to one thousandth of a watt.

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瓦数功率数量，尤指电功率，用瓦特或千瓦表示。

An amount of power, especially electric power, expressed in watts or kilowatts.

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功率的单位是瓦特。

The unit of power is watt.

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瓦特是电功率的单位。

A watt is unit of electrical power.

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一颗装饰圣诞树用的小灯泡通常以热的形式消耗掉约一瓦特的功率。

A miniature Christmas tree bulb dissipates about one watt, mostly in the form of heat.

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功率单位等于千瓦特。

The unit of power is watt.

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功率单位等于千瓦特。

The unit of power is watt.

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