短语词组短語deflector r coil 偏轉線圈deflector coil plate 偏轉線圈板line coloring deflector coil 行偏轉線圈deflector coil coupling 偏轉線圈耦郃deflector coil current 偏轉線圈電流line deflector coil 行偏轉線圈vertical deflector coil 垂直偏轉線圈 返回 deflector coil