它采用的四发涡轮增压发动机、高单翼和尾部大型货仓设计使其已经累积飞行时间已经超过2000万小时，是美国和超过60个国家的首选运输机。
The turbo-prop, high-wing, versatile “Herc” has accumulated over 20 million flight hours. It is the preferred transport aircraft for many US Government services and over 60 foreign countries.
这有利于随后的10.0：1压缩比，这是非常高的涡轮增压发动机。
This subsequently facilitates a compression ratio of 10.0:1, which is very high for a turbocharged engine.
这有利于随后的10.0：1压缩比，这是非常高的涡轮增压发动机。
This subsequently facilitates a compression ratio of 10.0:1, which is very high for a turbocharged engine.
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