If the engine room is located in front of steam generators, we have a short gas tract with smoke exhausters and fans at a zero level.

如果機艙在蒸汽發(fā)生器前面設置在线视频A片免费关看，我們有與抽煙排氣器和風扇的一篇短的氣體短文在零電平。

Several types of vacuum generating equipment are effectively used in paper machine systems, including centrifugal exhausters and rotary lobe pumps.

包括離心風機和旋轉(zhuǎn)葉泵亚洲免费色视频。

Based on the modeling and analysis of the CO_2 concentration in the tunnels and underground railway with shielding doors,points out that,in winter,with air exhausters on the top of the tracks and at the bottom of the platforms along the railway stations closed and piston air functioning only,the temperature condition can,but the fresh air can not,be satisfied in the tunnels during morning and evening rush hours.

通過對有屏蔽門時地鐵隧道和車廂內(nèi)CO2濃度的建模與分析指出日韩综合精品1页在线观看，在冬季如關閉地鐵線各車站軌頂站臺底的排風機国产原创中文在线，僅依靠活塞風，在早晚高峰時期能滿足隧道中的溫度要求黄色网址进入，但不能滿足列車內(nèi)人員的衛(wèi)生要求黄av一级毛片。

Since 1892, the Spencer Turbine Company has specialized in innovative solutions to air and gas handling problems. Thousands of product installations, including more than half a million centrifugal blowers and exhausters, illustrate Spencer's capability for providing high efficiency, cost-effective solutions.

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