Natural ventilation is the ventilation of a building with outside air without the use of a fan or other mechanical system.
自然通风是不使用风扇和其他机械系统进行室内外气体交换的通风方式。
The electric cabinet shall be equipped with fan and ventilation equipments, in addition to well-designed shield for EMI compliance.
电气控制柜要配有排风、散热装置以及具有良好的屏蔽作用防止电磁干。
The results showed that exhaust fan has the advantages of low consumption of energy and moisture, simple operation and lowering temperature uniform. Ventilation with exhaust fan is fit for cool area.
结果表明，用排气扇通风具有耗电低、降温均匀、水分损耗低和操作简便等优势，适用于冷空气资源充足的地区。
Have you ever experienced you were uncomfortable when you had to check air flow with a smoke tube where ventilation fan or hood was unreachable or was located at confined space?
你经历过你不舒服，你必须检查它配备了烟管流动凡通风风扇罩无法访问或曾在密闭空间在哪里？
The inside equipment seems a bit not well maintained. The ventilation fan switch is broken, and the interior floor indicator shows 'G' with the car actually at 1/F.
内笼的设备看来有些少维修不妥当：抽气风扇的开关掣破烂了，而机内楼层显示器于客卡实际上在1字楼时却显示'G'。
The simulative calculation method and the results of multi-fan-station ventilation network with unidirectional circuits are described.
介绍含有单向回路的多级机站通风网络的通路模拟算法及其结果。
The simulative calculation method and the results of multi-fan-station ventilation network with unidirectional circuits are described.
通过修改搜索策略，用深度优先搜索法确定通 路的矩阵算法，模拟计算有单向回路的通风网络。
The simulative calculation method and the results of multi-fan-station ventilation network with unidirectional circuits are described.
通过修改搜索策略，用深度优先搜索法确定通 路的矩阵算法，模拟计算有单向回路的通风网络。
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