special three-phase transformer

例句：

1. 1.This special sauce is perfect for grilled meats.
   这种特别的酱料非常适合烤肉。
2. 2.The special needs of the elderly are often overlooked.
   老年人的特殊需求往往被忽视。
3. 3.The special exhibition showcases rare artifacts from around the world.
   这个特别的展览展示了来自世界各地的稀有文物。