The exhaust vents are equipped with back-draft dampers to prevent dust from entering the enclosure when the unit is not running.

排气口装有逆行气流阻尼器，防止当系统没有运行时灰尘进入机箱。

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The National Basketball Association has a rule called "one and done" that requires players entering the draft to be 19 or have completed their freshman year of college.

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On Tuesday, junior swingman Victor Oladipo announced he, too, was entering the NBA draft.

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And given that Mr. Lattimore is only a junior and has not used his red-shirt year yet, he potentially has 2 years beyond this one to rehabilitate his leg before entering the 2015 NFL Draft.

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