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- recirculating air ductn. 再循环风道
- External air duct and exhaust pipe connector. 外置式出入油管连接座。
- No consideration of the grounding for air duct and air-condition. 风管及空调设备没有考虑接地。
- Lists some Japanese enterprises dealing with air duct cleaning. 列出了日本几家开展空调风管清扫业务的企业。
- Presents an introduction to Italian ALP air duct system. 提出了风管合流数和系统经济数的概念。
- HVAC system ---Thermal insulation for the air duct and pipe system of HVAC. 空调系统---送风软管及管道法兰的保温各类罐体、设备的绝热保温及吸产降噪。
- Rectify the gap at final connections between air duct and grille / louvre. 修补通风喉管与通风格栅/百?风口接驳处的空隙。
- One of the air ducts has become blocked. 有一条输气管堵塞了.
- The sealing material for air duct going though walls not good, it will cause shrinkage. 某些风管穿墙处,密封材料不好,会变形萎缩。
- Remove combustible insulation or rectify flame-retardant property at * air duct / pipework / air handling unit. 通風喉管／管道／風櫃的易燃隔熱層須予拆除或其防火特性須予矯正。
- The bronchial lavage has achieved a good effect in diagnosing diseases of air duct in neonatus clinic. 在新生儿临床亦逐渐应用支气管灌洗于诊治气道疾病,并取得满意疗效。
- Inspecting whether the brackets and cradles for the air duct and condensate pipes are reliable. 检查风管及冷凝水管固定支架、吊架是否牢固。
- Nagel easy company is willing to work with you to work together to promote the cause of China's air duct cleaning! 易格尔公司愿与您共同努力，一起推动中国风管清洗事业！
- Double pipe cyclone air duct Normal highway vehicle adopts double pipe cyclone air duct filtering device + normal air filter. 双管旋风进气道普通公路用车采用双管旋风进气道滤清装置+普通空气滤清器。
- BKL aluminized appropriate phenolics foam plate is used to making HVAC air duct's best material, can apply market hotel, airport, hospital and so on. 贝克莱铝箔复合酚醛泡沫板材是用来制造空调保温通风管道的理想材料，广泛应用于：商场．超市．宾馆．饭店．体育馆．车间．机场．医院．食品仓库．洁净工程等场所。
- According to development of the ventilating air duct, simulates and analyses the air duct with the CFD and FEA software. 摘要针对空调通风用风管的发展趋势，运用CFD与FEA软件对风管进行了模拟分析。
- Analyses glass-fiber board air duct, introduces its main technical characters, and briefly narrates its fabricaton and installation. 全面分析复合玻纤板风管，介绍其主要技术性能指标，并简单叙述其制作和安装。
- Conclusion:Washing through tracheal in tubation is effective in clearing obstruction in air duct,improving ventilation function,correcting respira... 结论:气管插管冲洗可迅速开通气道,解除呼吸道痰堵,清理上、下呼吸道分泌物,是改善通气功能,纠正呼吸衰竭和进行辅助呼吸的有效方法。
- Rotate and tilt the vacuum actuator as required to disengage the hole on the end of the actuator link from the hooked pin on the end of the recirculation air door lever. 视需要旋转并将真空引动器倾斜以放松循环空气门连杆末端上的勾销放松引动器连接末端上的孔。
- Increasing original resistan coefficient of the secondary air duct can improve the adjusting performance of air damper, and inhibit pulsation of the flow rate. 增加二次风道的原始阻力系数，可以使风门的调节特性得到改善并抑制流量脉动。
