primary coil

常見例句

• In one way, primary and secondary coils are wound around the space.
  有一種方法是把初級(jí)線圈和次級(jí)線圈繞在這個(gè)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(jí)線圈及其次級(jí)線圈的匝數(shù)成正比。
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