推出通过磁铁入音圈汇编钢的一个坚实片断,集中能量从磁铁。

推出通过磁铁入音圈汇编钢的一个坚实片断,集中能量从磁铁。的英文翻译

基本释义

• Pole Piece A solid piece of steel which protrudes up through the magnet into the voice coil assembly, concentrating the energy from the magnet.