我们用来检查功率的仪表是瓦特计。
响应速度以us计，功率因数高，特别节能、环保。
Response speed in milliseconds, the power factor is high, especially energy-saving and environmental protection.
响应速度以us计，功率因数高，特别节能、环保。
Response speed in milliseconds, the power factor is high, especially energy-saving and environmental protection.
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