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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This is the turbine to compressor mechanical advantage mentioned earlier that is employed in jet engines and is key to making them work!

这是机械的优势，以压缩机刚才是受雇于喷气发动机，关键是使他们的工作涡轮！

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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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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