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.

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增压逻辑阀的开启直接由先导阀控制，不经过任何中间环节，使得建压时间得以充分保证。

Intensification logic valve start is directly controlled by pilot valve without any intermediate links, so the building-up time of intensification is fully guaranteed.

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不是越大越好-大型涡轮增压引擎有一个较长的缓冲时间，而涡轮滞后。

For turbo, it's not the better the bigger it gets - larger turbos have a longer spool up time and thus longer turbo lag.

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