| 释义 |
permanent-magnet moving-iron instrument permanent-magnet moving-iron instrument[′pər·mə·nənt ¦mag·nət ¦müv·iŋ ¦ī·ərn ′in·strə·mənt] (engineering) A meter that depends for its operation on a movable iron vane that aligns itself in the resultant magnetic field of a permanent magnet and adjacent current-carrying coil. |