air core transformator

例句：

1. 1. The newair-core transformer has significantly improvedthe efficiency of our power system.
   新型空气核心变压器大大提高了我们电力系统的效率。
2. 2. Theengineers are working on developing a moreefficient air-core transformer for futureuse.
   工程师们正在研发一种更高效的空气核心变压器，以备将来使用。
3. 3. Theair-core transformer is crucial inmaintaining the stability of the electrical grid.
   空气核心变压器在维护电网稳定性方面起着至关重要的作用。