The Zone Return Air Path Zone Mixer and Zone Return Plenum components comprising the 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.

At this time there can only be 1 Zone Mixer in a Zone Return Air Path.

这种情况下一个区域回风路径只能有一个区域混风器.

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.

Further the influence in jets ventilation of secondary return air on the zones comfort is studied.

通过实验研究了射流送风中二次回风相对一次回风对工作区间舒适性的影响.

The influence for velocity field and temperature field with the difference of height of return air is analysed.

分析了回风口高度对室内空气流动的速度场和温度场的影响。

Then, after taping and painting, screw a “return air” grate over the opening to conceal it but still have access.

然后镶边、涂饰面，再然后在开口上安装“回风”把开口隐藏起来，但“回风”要是可以拆卸的，以便还能接触到内部的构件。

Help exhibitors handling freight transport, lodging, booking return air or railway tickets at their own expenses.

协助参展商办理货运 、 住宿 、 代购回程机、车票(费用自理).