短語詞組短語dc grounding -electrode 直流接地極grounding g electrode 接地電極grounding electrode earthing electrode 接地躰grounding electrode system 樓接地系統(tǒng)shaft grounding electrode 深井式接地極Grounding Electrode Conductor 電極接地導線;接地電極導躰;接地線極板導線slanting grounding electrode 斜接地極gradient grounding electrode 斜置接地躰ra dial grounding electrode 廣角 返回 grounding electrode