First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.
最开始的擎是涡轮式,目前已淘汰;然后是涡轮螺旋桨式擎,现在仍可在小飞机上看到。
First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.
最开始的擎是涡轮式,目前已淘汰;然后是涡轮螺旋桨式擎,现在仍可在小飞机上看到。
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