去磁抹音法 demagnetized erasure

抹音磁头 erasing head ; [电子] erase head ; erasing g head

磁带抹音器 magnetic tape eraser

直流抹音磁头 DC erasing head ; direct-current erasing head

交流抹音磁头 AC erasing magnetic head ; [电讯] alternating-current erasing head

直流削磁、直流抹音 dc erasing

主抹音磁头 main erase head

抹音磁头环氧灌封料 ZM potting material