The air component isn't influenced by the residual fume at the switching moment.

高温空气成份几乎不受四通阀切换瞬间发生器内滞留烟气的影响。

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Russia supplied technical help to upgrade “Varyag” and its air component, which may be the navalized Russian SU-33 or a variant.

俄罗斯为“瓦良格”的升级提供了技术支持，并为其提供了空中力量组成部分，有可能是海军化了的苏SU-33 或其改装版。

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The Prime Power Unit (PPU) is an air- and highway-transportable, trailer-mounted 1.3MW (megawatt) Generator Set, a key component of the Terminal High Altitude Air Defense (THAAD) system.

主动力单元（PPU）是一种可搭载空中和公路运输，拖车式1.3MW （兆瓦）发电机组，这也是终端高空防御系统（THAAD）的关键组成部分。

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In urban air ozone is a component of smog, which damages lungs.

FORBES: The Ozone Solution

The Israeli airline, El Al, has famously depended on having undercover air marshals on their flights as one component of its successful deterrent strategy.

CNN: Blame game won't stop terrorism

Now, of course, Patriot missiles are a key component of the U.S. air defense.

CNN: Weaver: Creature comforts scarce, but soldiers get their mail