local exhaust ventilation

例句：

1. 1.The local exhaust ventilation system is designed to remove pollutants from the air in the area.
   局部排气通风系统旨在从该区域空气中去除污染物。
2. 2. The construction of this new building will require the installation of a local exhaust ventilation system.
   这座新建筑的建设将需要安装一个局部排气通风系统。
3. 3. To ensure proper ventilation, it's important to have a local exhaust ventilation system in place.
   为了确保良好的通风，有必要安装局部排气通风系统。