1. Analyses the principles of displacement ventilation and mixing ventilation. 分析了置换通风和混合通风的原理。
2. You can regulate the ventilation of the insulators by calculating the circulation of manipulated chocolate. 你可以通过计算机受控巧克力的循环来调节绝缘体的通风。
3. Its reliability research is an important task that optimizing the mine ventilation design, guarantee safe production and daily management. 其可靠性研究是优化矿井通风设计，保障安全生产和日常管理的一项重要任务。
英英解释
n.
1. the act of supplying fresh air and getting rid of foul air
2. a mechanical system in a building that provides fresh air
3. free and open discussion of (or debate on) some question of public interest
4. the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air an
