AC moving iron rectangular instrument

例句：

1. 1. The AC moving iron rectangular instrument is used to adjust the temperatureof the room.
   自动调节的铁制矩形仪器用于调节房间的温度。
2. 2. The engineerused the AC moving iron rectangularinstrument to tune the radio.
   工程师使用自动调节的铁制矩形仪器调校收音机。
3. 3. The AC moving iron rectangularinstrument was designed to improve efficiency in industrialprocesses.
   自动调节的铁制矩形仪器被设计用来提高工业过程的效率。