口和吐出口垂直向上。
这些冷却空气通过两根垂直管道进入到机柜的顶部，然后在分流进入那些空气杆，这些空气杆是有序的排列着冷气释放口的长长的薄薄的管道。
The chilled air enters the top of a rack through two vertical standpipes, which branch off into air wands -long, thin pipes lined with vents that release cold air.
大喇叭口期以后根系干重在土壤中的垂直分布呈负指数曲线趋势变化。
After flare opening stage apeak distribution of dry weight root in soil was Negative Index curve.
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