exhaust fan

音標(biāo)發(fā)音

Pierce a pump shaft of small section concurrently as return air shaft at lineE47 neighborhood in the north, establish the exhausting fan, become the ventilated way of opposite angle of two wing.
北端在E_（47）線附近掘進(jìn)一條小斷面排水井兼作回風(fēng)井，設(shè)置抽出式風(fēng)機(jī)，形成兩翼對角式通風(fēng)方式。
Therefore, this series is best fit for fire control fan, basement air exhaust and support system, kitchen equipment and various series of fan cabinets of air-exhausting.
因而最適合用于消防風(fēng)機(jī)，地下室抽氣送風(fēng)系統(tǒng)，廚房設(shè)備和有特殊要求的各類抽，排系列風(fēng)柜。
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WT35-11 attic axial fan is a low & intermediate pressure and large flow fan which may be designed as air delivering type , exhausting type or reversible double-rotation type.
WT35-11型為屋頂軸流式通風(fēng)機(jī)，該風(fēng)機(jī)為中低壓大流量風(fēng)機(jī)，可設(shè)計成送風(fēng)、排風(fēng)或雙旋轉(zhuǎn)可逆式。

a piece of equipment used to remove steam, smoke, or unpleasant smells from a room or building