1)meg,兆欧，小型绝缘试验器2)insulation testing set,绝缘试验器3)insulation tester,绝缘试验器，绝缘试验仪4)insulation type test,绝缘型式试验5)dielectric test set,高频绝缘试验器6)insulating oil tester,绝缘油试验器
用法和例句
The valve insulation type test of ±500 kV HVDC power transmission is the test of highest voltage grade now on the world.