短語(yǔ)詞組短語(yǔ)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 仿形滑腳集電裝置current -collector for mine locomotives 礦用機(jī)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(fù)極集流體crane current collector 起重機(jī)集電器 返回 current collector