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- 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。
- The interstices between the bricks let in cold air. 冷空气透过砖缝进入室内。
- The dough shrank slowly in the cold air. 面团在冷空气中慢慢收缩了。
- A blast of cold air hit him as he opened the window. 他打开窗，一股寒冷的空气直向他扑来。
- The cold air masses are moving from Siberia towards Inner Mongolia. 冷空气团正由西伯利亚向内蒙古移动。
- cold air path 冷空气路径
- A stream of cold air rushed through the open door. 一股冷空气从敞开着的门口窜了进来。
- Close the windows and keep out the cold air. 关上窗户不让冷空气进来。
- Cold air is actively burrowing under warm air. 冷空气快速地潜入到暖空气下面。
- There is a nip in the cold air in winter. 冬天寒气袭人。
- 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。
- The fire in the furnace warms this cold air. 炉灶里的火对进来的冷空气加热。
- They went outside for a breath of cold air. 他们走出去呼吸一口清新的空气。
- A stream of cold air flowed into the warm room. 一股寒气流进了温暖的房间。
- She walked briskly in the cold air. 在寒冷的天气里她精神抖擞地走着。
- The Zone Supply Air Path lists the Zone Splitter and Zone Supply Plenum components comprising the path. 区域送风路径列出区域分离器和区域送风静压箱组件，这两个组件组成了该路径。
- He leant against the car, gulping in the cold air. 他倚着汽车大口大口地呼吸冷空气。
- Birds' songs pierce the cold air. 天寒人鸟音。
- The small part which returns via an air path is called the leakage flu and is indicated by dotted lines. 一小部分经空气路径返回的磁通量，叫做漏磁通量，并用虚线画出。
- The cold air made her face tingle. 冷空气冻得她的脸发痛。
