短語(yǔ)詞組短語(yǔ)recording sound head 錄音頭recording playback head 記錄重放磁頭magnetic recording reproducing head 錄放磁頭recording g head 錄音磁頭magnetic recording read head 磁記錄讀磁頭recording reproducing head 記錄magnetic recording -head material 磁頭材料optical recording head 光記錄頭direct recording head 直接記錄頭 返回 recording head