短語(yǔ)詞組短語(yǔ)magnetic head core 磁頭鉄心;磁頭棠magnetic bobbin core 線圈鉄芯magnetic ferrite core 磁芯材料Magnetic amplifier core 磁放大器鉄芯Magnetic Pole Core 磁極鉄芯magnetic c core store 磁心存儲(chǔ)器magnetic -core switch 磁心開(kāi)關(guān)magnetic powder core [材]磁粉心 返回 magnetic core