维护这样的环境是非常昂贵的，而且最近的研究表明，即使是旧的油画也不会受到温度和湿度大波动的影响。
Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity.
高精度、大容量湿度发生器。确保湿度控制发生快、精度高、波动小。
High precision and large capacity humidity apparatus, which be sure the humidity quickly and low wave.
高炉鼓风中由于湿度是不断波动的，会对高炉操作及顺行带来影响。
The humidify in BF blast is fluctuant, it affects the operation and smooth of BF.
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