Determination of the minimum fresh air requirement for closed workshops by indoor air cleanness;
运用室内空气清新度确定封闭式车间空调系统最小新风量
Ventilation mode for a closed welding workshop;
封闭式焊接车间通风方式的解决方案
The bounding wall enclosure is mainly adopted by large boilers to protect itself in fire power plant in cold area.
严寒地区,火力发电厂的大型锅炉多采用整体的紧身封闭围护结构予以保护。
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