1.An aircraft in which a turboprop is used
涡轮螺旋桨飞机一种带涡轮螺旋桨发动机的飞行器收藏指正
2.First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.
最开始的引擎是涡轮喷射式，目前已淘汰；然后是涡轮螺旋桨式引擎，现在仍可在小飞机上看到。收藏指正
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