| 释义 |
pole piece
pole piece n (Electrical Engineering) electrical engineering a piece of ferromagnetic material forming an extension of the magnetic circuit in an electric motor, etc, used to concentrate the magnetic field where it will be most effective
pole piece
pole piece[′pōl ‚pēs] (electromagnetism) A piece of magnetic material forming one end of an electromagnet or permanent magnet, shaped to control the distribution of magnetic flux in the adjacent air gap. ridgeboard, ridgepole  ridgeboard  ridge beam A longitudinal member at the apex of a roof which supports the |