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.
装有商品的盒子的顶部表面部分，如盖口或长条。如带有识别标记并可用来以此证明购买的日期或事实。
The top surface, as a flap or strip, of a box containing a commercial product, typically bearing identification and used to prove the date or fact of purchase.
王云2井是王场油田构造顶部的一口生产井。
Wangyun 2B well is a production well in the top of Wangchang Oilfield structure.
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