Standard Test Method for dielectric breakdown voltage and dielectric strength of D149 ASTM solid electrical insulating materials at industrial power frequencies.
ASTM D149固体电绝缘材料在工业电源频率下的介电击穿电压和介电强度的试验方法。
Test method for ASTM D149 solid electrical insulating materials at commercial power frequencies the dielectric breakdown voltage and dielectric strength.
ASTM D149固体电绝缘材料在工业电源频率下的介电击穿电压和介电强度的试验方法。
The paper also presents the results about dielectrical breakdown voltage test and dielectrical strength for the coal.
本文还报告了同种煤的绝缘击穿电压及绝缘强度。
The paper also presents the results about dielectrical breakdown voltage test and dielectrical strength for the coal.
本文还报告了同种煤的绝缘击穿电压及绝缘强度。
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