通風控制系統可根據不同的情況采用不同的控制方式，如，單臺通風設備定風量通風控制系統、多臺通風設備變頻控制系統、多臺通風設備變頻+變風量通風控制系統。

　　The ventilation control system according to different conditions by using different control methods, such as single ventilation control ventilation system, a control system of ventilation equipment, ventilation equipment of multiple frequency conversion and variable air volume control ventilation system.

　　對于一般的普通建筑，若室內排出的氣體沒有腐蝕性，通風管道可以采用鍍鋅鋼板，對于產生有腐蝕性氣體的實驗室，風管應采用耐腐蝕材料的PVC風管或玻璃鋼風管。

　　For ordinary buildings, if the gas discharged from the interior is not corrosive, ventilation pipe can be used for producing galvanized steel, corrosive gas laboratory, wind pipe should be made of corrosion resistant materials PVC duct or glass steel duct.

　　在一般的實驗室通風工程，室內大多采用PVC風管、室外采用玻璃鋼風管。對于室內層高不足的實驗室或采用大型風管的實驗室，一般采用矩形風管，以便與現場空間匹配，在滿足風管要求的前提下，盡量減小風管占用空間。

　　In general laboratory ventilation engineering, most indoor use of PVC duct, outdoor glass fiber reinforced plastic pipe. The height is insufficient for the indoor laboratory or by large duct laboratory, generally use the rectangular duct, in order to match the scene space, to meet the requirements of the wind pipe under the premise, try to reduce wind pipe space.

　　圓形風管采用插件連接，矩形風管采用法蘭方式連接，根據實際情況也可采用插件方式連接。

　　The round air pipe is connected by a plug-in unit, and the rectangular air pipe is connected by a flange, and the plug-in can be connected according to the actual situation.

　　風機主要有軸流風機、斜流風機、離心風機。軸流風機、斜流風機適用于風壓小、管路短的通風系統，如，直接排窗外或墻外的通風系統，簡稱：直排;玻璃鋼離心風機適用于管路長的通風系統，如，通過風管井或外墻接管排屋頂，簡稱：屋頂排放。

　　Main fans are axial fans, diagonal fans and centrifugal fans. Axial flow fan, oblique flow fan for air pressure is small, short pipeline ventilation system, such as, referred to as the ventilation system, discharged directly to the window or wall: straight row; glass steel centrifugal fan for ventilation system, such as long pipeline, through the air tube or the wall over the row to the roof, Jane said: roof emissions.

　　我們愿以佳的服務意識，迎接八方來客，誠懇與國內外各界朋友精誠合作，共創(chuàng)美好的前程。歡迎大家前來參觀洽談!

　　We would like to serve the eight guests with the best sense of service, and sincerely cooperate with friends from all walks of life at home and abroad for a better future. Welcome to visit and negotiate!

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