turboprops

Piston - engined aircraft and turboprops have air compressors to maintain cabin pressure.

活塞发动机和涡桨发动机的飞机有压气机来控制客舱的压强.

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And, unlike jets, turboprops can use roads and fields for takeoff and landing.

而且不同于喷气式战机, 涡轮螺旋桨飞机可以使用公路和田野起落.

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