dfjCOCA¹¹²⁹⁵² 基本例句 abbr.双功能干扰机dual function jammer DFJ-100 C, CN model ground compound insulator newly developed and put into operation is a substitute product applied for ground wire of EHV transmission lines. 新开发并投入生产的 DFJ-100 C， CN型地线复合绝缘子，是超高压输电线路避雷线地线使用的替代产品。 cnki