短語詞組短語current t collector brush 集電刷current t collector 集電器current of collector 集電極電流sliding shoe current -collector 倣形滑腳集電裝置current -collector for mine locomotives 鑛用機車接電器third rail current collector 第三軌集電器double armed current collector 雙臂接電器negative current collector 負極集流躰crane current collector 起重機集電器 返回 current collector