兑水 发表于 2009-9-10 20:16:34

ASTM A 1013-2000用伏特计安培计瓦特计测定可控温度下软磁...

A1013-00 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
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