轻型涡轮螺旋桨攻击机也不是仅仅比喷气战机优越。
Nor is it only jets that light-attack turboprops can outperform.
它是世界上第一种大量生产的装备有双涡轮螺旋桨引擎的直升机。
It is the first mass production helicopter in the world that was equipped with two turboprop engines with the free power turbine.
飞机采用非气密舱和四台动力不足的涡轮螺旋桨发动机，使它仅仅适用于低-中空飞行。
The aircraft has an unpressurised cabin and four underpowered turboprop engines, making it only suitable for low- to medium-altitude flight.
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