spot heating

例句：

1. 1. The spot heating caused the paint to bubble and crack.
   局部加热导致油漆起泡和开裂。
2. 2. During the winter, we use spot heating to keep our house warm.
   冬天我们使用局部加热来保持我们的房屋温暖。
3. 3. The engineer used a spot heating technique to repair the leaky pipe.
   工程师使用局部加热技术来修理漏管。