primary coil

同根派生

英汉例句

• In one way, primary and secondary coils are wound around the space.
  有一种方法是把初级线圈和次级线圈绕在这个地方。
• An electric transformer changes the alternating voltage applied to it in proportion to the numbers of turns in its primary and secondary windings.
  变压器其交变电压的改变与初级线圈及其次级线圈的匝数成正比。