Noun:

1. an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved

magnetic gum磁性橡胶magneticadj.有磁性的；有吸引力的；催眠术的n.磁体，磁性物质magnetic direction磁方向magnetic disk head磁盘磁头magnetic flux rope磁通串magnetic composite磁性复合材料Magnetic Principle磁化机制magnetic sensitive磁敏感magnetic sensivity磁敏magneticproperties磁学特性magnetic overprint磁叠印magnetic drum read磁鼓读出宏指令

1. Sound like the head needs to is cleaned or changed.
   那好你要清洁或更换磁头了。
2. Anti-magnetic setting at the magnetic head makes it easy to put in.
   磁头有防磁装置。