伏特计法 meaning in English

voltmeter method

Epstein test method for alternating - current magnetic properties of materials at power frequencies using wattmeter - ammeter - voltmeter method and 25 - cm epstein test frame
电源频率下用瓦特计-安培计-伏特计法和25厘米艾普斯亭
Standard test method for alternating - current magnetic properties of amorphous materials at power frequencies using wattmeter - ammeter - voltmeter method with toroidal specimens
用环形样品的瓦特计-安培计-伏特计法测定工频下非晶形材料的交流磁特性的标准试验方法