primary coil

常见例句

• In one way, primary and secondary coils are wound around the space.
  有一種方法是把初級線圈和次級線圈繞在這個地方。
• An electric transformer changes the alternating voltage applied to it in proportion to the numbers of turns in its primary and secondary windings.
  變壓器其交變電壓的改變與初級線圈及其次級線圈的匝數成正比。
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