The packages usually include return air or train tickets and accommodation 2 at the destination.
这种套餐通常包含往返机票或火车票及目的地住宿。
Tower 2 at core end needs a closed ceiling zone to hide the ducts of return air going into shafts.
在芯筒尾部的2号楼需要有一段封闭的吊顶区域以隐藏回风管道进入斜井。
Presents the application of fuzzy control technique to the secondary return air system of a symphonic concert hall.
介绍了模糊控制技术在一交响乐厅二次回风空调系统中的应用。
The invention discloses a return air gasification furnace with a ring fire oven, relating to a civilian use furnace.
本发明公开了一种带环火烤箱的回风气化炉，涉及一种民用炉具。
In order to automatically control the supply and return air balance in quench air systems, the volume flow controller is used.
为实现环吹风系统供、回风平衡的自动控制，采用了体积流量控制器。
Numerically studies the concentration distribution of biological particle similar as SARS virus particle in HVAC system with return air.
采用数值计算方法，对带有回风的空调系统中类似SARS病毒颗粒的生物颗粒浓度的分布规律进行了模拟分析。
A typical dual duct system would have 2 zone supply air paths - one for the hot air and one for the cold air - and 1 zone return air path.
而对于典型的双管系统，则由两条区域送风路径(一条用于热空气、一条用于冷空气)和一条区域回风路径组成。
An alternate embodiment includes a support frame for positioning the filtration system in ductwork or the like other than a return air inlet.
一个替代实施例包括用于将过滤系统定位在除回风管之外的管路等等中的支承框架。
The series ventilation is a kind of ventilation way that the return air at the underground using wind place enters other using wind place again.
串联通风是井下用风地点的回风再次进入其它用风地点的通风方式。
The return air is unblocked by changing the distances among heat exchange fins, i. e. the arrangement density of the heat exchange fins on a heat exchange pipe.
通过改变换热翅片之间的距离也就是换热翅片在换热管上的排列密度，使回风畅通。
An intense field dielectric air filtration system includes a perimeter frame for wall or ceiling mounting at the inlet of a return air duct for an air conditioning apparatus.
一种强场电介质空气过滤系统包括安装在空调装置的回风管的入口处的用于壁或天花板的周界框架。
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。
This paper proposes a new working face ventilation system: top gas tunnel small pillar outside the bottom return air laneway layout, in other words, which is gas tunnel location evolution.
本文提出了一种全新的综放工作面通风系统：顶层瓦斯巷小煤柱外错底层回风顺槽布置，具体是一种放顶煤工作面顶板排瓦斯巷位置的改进。
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。
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。
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