Manual weldings of watertight joints shall be painted after the air test.

焊接水密接合应该在气密试验后进行喷漆。

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The reason of the difference is analyzed and the conversion formula from the air test value to the real capacity is given in this paper.

本文对产生这种差别的原因进行了分析，并给出了从空气测量数据到实际公称容量值的换算关系。

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On the basis of analysis of thermal insulating flow for high pressure air, the quantitative mathematical model for closed air test was built.

根据对高压气体绝热流动规律的分析，建立了闭气试验定量数学模型。

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You know, there's an old story about an Air Force test pilot who was testing out one of our first fighter jets.

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The Air Force Flight Test Center Museum features a full size replica of Yeager's plane (the real one hangs in the Smithsonian) and actual aircraft that made the region famous.

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Highlights include the Air Force Flight Test Center Museum, the food court and gift shop at the NASA Dryden Flight Research Center and a "windshield tour" near the flight line where F-16s, KC-135s, F-22s, F-35s, B-1s or C-17s might be visible, said the spokesman.

CNN: Where planes go to die