ventilation and air- conditioning

• 通风空调

ventilation and air- conditioning的用法和样例：

例句

1. The well ventilated air condition of this engineering is a general comfortable air condition.
   本工程的通风空调为一般舒适性空调。
2. Presents the dust deposition in ventilating and air conditioning ducts, analyses the current study status, and puts forward the future study direction.
   摘要介绍了通风空调管道内的灰尘沉积情况同，分析了通风空调管道内灰尘沉积的研究现状，指出了下一步的研究方向。