high frequency wattmeter 中文意思是什麼
high frequency wattmeter
解釋
高頻瓦特計-
10 khz - 1 mhz standard test method for high - frequency 10 khz - 1 mhz core loss of soft magnetic core components at controlled temperatures using the voltmeter - ammeter - wattmeter method
用伏特計安培計和瓦特計測定可控溫度下軟磁芯部件的高頻
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