GB/T 31838.7-2021
ActiveSolid insulating materials—Dielectric and resistive properties—Part 7:Resistive properties(DC method)—Measurement of volume resistance and volume resistivity at elevated temperatures
固体绝缘材料 介电和电阻特性 第7部分:电阻特性(DC方法) 高温下测量体积电阻和体积电阻率