The last known case was in Britain in 1978 when a university photographer who worked above a lab handling smallpox died after being accidentally exposed to it from the building's air duct system.
众所周知的世上最后一例天花发生在1978年的英国。 那是一个（无辜的）大学摄影师，当时他正在天花实验室的楼上房间里工作，死于接触到大楼的风道系统偶然带出来的天花病毒。 （译者注：这位摄影师也太冤了。）
Analyses the testing results of some project examples after air duct cleaning.
分析了几个实际工程风管清洗后的测试结果。
Medium and small tanks and surface curvature radius of curve or surface smaller irregular equipment, building the air duct insulation and dew and wall body sound-absorbing heat preservation.
小型储罐及表面曲率半径较小的弧面或表面不规则的设备、建筑空调管道保温防露和墙体的吸音保温。
The air duct must be designed and installed in accordance with national design code for HVAC duct.
风管设计和安装必须符合国家暖通空调管道设计规范。
The main manufacturers for air duct cleaning robot, the features of the robots manufacturedboth abroad and in China, and the applications of robot for air duct cleaning in China were described.
介绍了国外风管清洗机器人的主要生产厂家、国产机器人和外国产品的各自特点及国产机器人的应用情况。
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。
A disposable non-woolen filter, and a panel type washable coarse aluminum filter are installed in the front panel of return air duct of each room, to trap powder generated, if any.
在每个房间回风管的前面板上安装有一台一次性的非毛织品过滤器，以及一台板式可洗粗铝过滤器，以捕捉收集可能产生的任何粉尘。
Proposes some questions about air duct cleaning.
提出了风管清洗面临的问题。
Return air duct section. Single - or double-line ducts can be specified.
回风管道部分。可以指定单线管道或双线管道。
Fan, pump, air duct, water pipe, vent.
风机，水泵，风道，水管，风口。
The plurality of suction channels permits effective pick-up of dirt, which may be further enhanced by an air duct in the form of a slot (48), which draws air over some of the working edges (42, 44).
多个吸入通道允许有效的拾取脏物，其可通过为狭槽(48)形式的空气管道得到进一步地增强，该狭槽在工作边缘(42,44)的一部分之上吸入空气。
This paper briefly depicts the process, technical point and development method of air duct systems design.
本文简述空调风管系统设计的过程、技术要点及开发方法。
This material could be the best solution for tertiary air duct elbow lining occasions.
解决了大型回转窑三次风管弯头的材料问题。
The reason that supply air is not uniform for traditional air conditioning system of passenger car are analyzed, the design methods of static pressure supply air duct are given.
对传统铁路客车空调系统送风不均匀的原因进行了详细分析，同时介绍了静压送风道的结构，对不同类型的静压送风系统进行了送风均匀性测试。
A system composition and design consideration of a pressurized room is present in this article and it is emphasized two parts: pressurized control system and air duct system for this room.
文章介绍了正压房间的系统组成及设计，着重阐述了正压控制系统和风道系统两部分的设计。
If you decide to have your HVAC system cleaned, it is important that the air duct cleaning services you are inquiring is qualified to do so, so you can enjoy a safe indoor air.
如果您决定将您的暖通空调系统清洗，重要的是，空调风管清洗服务查询您有资格这样做，这样你就可以享受一个安全的室内空气。
An air duct will mount to the Throttle body assembly air intake snout. The snout lip dimensions are defined on the Throttle body assembly outline drawing.
气管加装在风门装配进气口上。进气口尺寸如风门装配轮廓图所示。
In this paper effect of air temperature, air flow rate, air duct size and distance between air ducts on the performance of mixed flow grain dryer were analyzed and discussed.
分析和讨论了空气温度、流速、风道中的风道尺寸对混流谷物干燥机的影响。
Install relay carrier diagnostic socket and air duct.
安装继电器托架、诊断插座和风道。
An abnormal air - duct is a danger to a patient.
一个异常的输气管对病人而言是危险的。
Clean work surface allows the installation of air duct save time and reduce trouble.
洁净的工作表面可使风管的安装节省时间并减少麻烦。
Supply air duct system for local clean zones.
局部洁净区的送风管道系统。
By hoisting the cooling air duct are fully introduced and it avoids the effects of welding on the load of aerodynamics traction components, and guarantees the safe operation of trains.
冷却风道采用吊装方式安装，避免了焊接对空气动力学牵引端受力的影响，保障了列车的安全运行。
In this paper the static pressure uniformity in the static pressure chamber of supply air duct is studied by means of experiments, and its coefficient is derived.
对不同类型的空调静压送风系统进行了送风均匀性测试，测试结果表明，传统的空调静压送风道送风均匀性并不理想。
Also particularly explains the superior characteristics, fabrication process and installation of the compound air duct, in addition, analyzes the economic feasibility of the substitute project.
详细讲解复合风管的优越性能、制作工艺及风管的安装，并以工程实例分析替代方案的经济可行性。
With an example of a section of air duct with a tee, analyses the existing problems when adjusting pipe diameter according to the pressure balance formula and the causes.
以一段带三通的并联风管为例，分析了根据该压力平衡公式调整管径时存在的问题及其原因。
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。
Analyses glass-fiber board air duct, introduces its main technical characters, and briefly narrates its fabrication 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。
One of their air - duct has been blocked.
有一条输气管道堵塞了。
One of their air - duct has been blocked.
有一条输气管道堵塞了。
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