航空业的革新集中于民用航空喷气式发动机的研发,首先是涡轮螺旋桨发动机,后来是纯粹的喷气机。
Innovation in aviation has centered on the development of the jet engine for civil use, first in a turbo propeller form and later as a pure jet.
飞机各种能够飞行的带翼交通工具,通常比空气重,用喷气式发动机或螺旋桨驱动。
Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.
飞机各种能够飞行的带翼交通工具,通常比空气重,用喷气式发动机或螺旋桨驱动。
Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.
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