他计划在控制室的顶上装一套太阳能驱动的换气系统，将空气泵到设施的深处。
His plans involve building an air shaft through the roof of the control center equipped with a solar powered fan to draw air deeper into the complex.
变频调速技术以其高可靠性及优良的控制性能，可以作为自动换气调温系统应用在花卉培育温室大棚中。
Frequency control Technology, which can be used as automatic air exchanging and conditioning system in flower cultivation greenhouse, has high reliability and excellent control performance.
为防止潮湿和有害气体的增加，在塑料棚上方前檐下设换气窗，使舍内形成通过换气量可以控制温热状态的小气候。
In order to prevent the increase of damp and harmful gases, a window was designed under the front eaves of the plastic shed, so that the microclimate of the room can be controlled.
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