air contactor

例句：

1. 1. The air conditioner is essential for maintaining a comfortable indoor environment.
   空调对于保持室内舒适环境至关重要。
2. 2. The new air conditioner has improved the quality of life in our house significantly.
   新空调显著提高了我们家的生活质量。
3. 3. During the summer months, air conditioners are often used to cool down rooms and bedrooms.
   在夏季，空调常被用来降温房间和卧室。