变电阻拾声器 变阻拾音器

variable-resistancepick-up  detail>>

变电阻拾声器

variable-resistance pick-up  detail>>

变阻拾音器

variable resistance pick up variable-resistance pick-up  detail>>

可变电阻拾音器

variable resistance pickup  detail>>

变磁阻拾音器

magnetic pickup  detail>>

可变磁阻拾声器芯

variable reluctance phonograph cartridge  detail>>

可变磁阻拾音器

variable reluctance pick up variable reluctance pickup variable-reluctance pick-up  detail>>

变磁阻拾震器 可变磁阻拾音器

variable-reluctancepick-up  detail>>

可变磁阻拾音器心座

variable reluctance cartridge  detail>>

可变磁阻拾音

variable-reluctance pickup  detail>>

电动拾声器 动圈式拾音器

movingcoilpick-up  detail>>

可变磁阻拾音头

variable reactance pickup cartridge  detail>>

变电拾声器

variable-resistance pickup  detail>>

可变电阻；变阻器

rheostat  detail>>

可变电感拾音器

variable inductance pickup variable-inductance pick-up  detail>>

变阻器可变电阻

rheo rheostat  detail>>

变阻器可变电阻器

variable resistor  detail>>

变磁阻拾震器

variable-reluctance pick-up  detail>>