短語(yǔ)詞組短語(yǔ)earthing g resistance 接地電阻earthing resistance unit 接地電阻器measurement of earthing resistance 接地電阻的測(cè)量Earthing resistance tester 接地電阻測(cè)量?jī)x;接地電阻丈量?jī)xEarthing resistance Reader 接地電阻讀數(shù)表Earthing resistance test 保護(hù)接地之阻抗earthing short circuit resistance 耐接地短路能力impulse earthing resistance 沖擊接地電阻 返回 earthing resistance