Vibration of fixed air refueling receptacles that can occur in flight causes serious hazards to the safety of flight.

飞机采用固定式空中受油装置后，可能引起飞机飞行过程中的振动，严重时危及飞机的飞行安全。

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Polution expansion leads to the increasing demand for fixed air, water and land. It naturally follows that more and more people long for high living standard.

人口的增长导致对世界上固定的空气、水、土地的需求不断增长。与人口增长相伴的是越来越多的人渴望着更高的生活水平。

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Two forced oxidation devices of flue gas desulfurization in power plants are introduced, including fixed air sparger(FAS) and agitator air lance assemblies(ALS).

介绍了两种不同的湿法脱硫强制氧化装置：固定式空气喷射器强制氧化装置和搅拌器、空气喷枪组合式强制氧化装置。

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The report said the Airprox board had been of the opinion that the object was unlikely to have been a fixed wing aircraft, helicopter or hot air balloon, given that it had not shown up on radar.

BBC: Airliner 'had narrow miss with UFO'

Five grand in the flying world is three months of fixed costs before I ever get the plane in the air.

FORBES: California's Almond Upside Surprise

But once Korean Air figured out that their problem was cultural, they fixed it.

FORBES: The Dangers of ��Face��