Unlike a conventional jet engine that uses a rotating compressor to compress air into the engine for combustion , this one has no moving parts.

传统的喷气式引擎利用旋转压气机将空气压缩进入引擎来燃烧，而这架飞机却完全没有运动的部分。

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Dry plasma cutting: also called the air-filled type cutting, the air compressor to plank cut in order to achieve the effect of cooling seam jet, such cutting costs low, but pollution is very large.

干式等离子切割：又称风冷式切割，采用空压机对板材割缝喷气以达到冷却效果，此类切割成本较低，但是污染很大。

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The main shaft between the air compressor and the gas turbine in a jet aircraft engine is hollow to permit an internal speed reduction shaft with the minimum requirement of space and weight.

在喷气式飞机发动机内位于空气压缩和燃气涡轮之间的主轴是空心的，允许有一个需要最小空间和重量的内部减速轴。

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Despite signs of a weakening U.S. economy, aerospace component manufacturers are working flat out, machining turbine compressor blades, high-speed bearings and other parts for jet-engine and aircraftmakers.

FORBES: A Pewter Lining