权威例句
Erasing headErasing headerasing headMagnetizing and erasing head arrangement for magnetic recordersMagnetic erasing headMagnetic head drive apparatus which uses a common current source for the read/write head and the erasing headMagnetic erasing headMagnetic erasing headMagnetizing and Erasing Head Arrangement for Magnetic RecordersMagnetic erasing head with gaps utilizing high flux density and high permeabilityCassette type cleaning device for the cleaning of playing/recording head, erasing head, and capstan/pinch rollerResearch of Erasing Round Head of Plate by Small Angle RollingMN-ZN FERRITE FOR ERASING HEAD CORE
