在热水器的规格面板上，标注着最大功率瓦数和额定电压。
The maximum wattage and rated voltage are shown on the heater data plate.
另外，交管部门对汽车照明灯在功率上做了强制性规定，前大灯瓦数不能超过60瓦，如果太强将通不过年检。
In addition, tubal branch of auto lamps in power on the mandatory regulation, headlights wattage cannot exceed 60 watts, too, if be not yearly check.
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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