In order to obtain the expected sand cooling and humidifyingeffect, requiring sand in the boiling bed to flow in uniform.
为使型砂获得预期的冷却和增湿效果，要求型砂在沸腾床上均匀的流动。
2
The air humidifier can provide fresh air; the atomized water can be uniformly mixed with the air, and the humidifyingeffect is favorable.
本装置提供空气清新，水雾化后与空气混合均匀，加湿效果好。
3
Objective: To study the effect of different humidifying agent on oxygen inhalation in acute pneumonedema of rabbits and select the suitable humidifying agent.