• 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.

    航空业革新集中民用航空喷气式发动机研发首先涡轮螺旋桨发动机,后来纯粹喷气机。

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  • It serves to replace or complement the propeller, wheel, jet engine, solid fuel, etc, in the area of transportation and use in space travel.

    运输太空旅行应用领域中,用来取代补充推进器轮盘喷气发动机固体燃料

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  • It will be noted that the emphasis in this book is on the turbo-jet engine and that no special part deals with the propeller-turbine engine.

    应该指出强调这本关于在涡轮喷气发动机,并没有特殊部分涉及螺旋桨涡轮发动机。

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  • It will be noted that the emphasis in this book is on the turbo-jet engine and that no special part deals with the propeller-turbine engine.

    应该指出强调这本关于在涡轮喷气发动机,并没有特殊部分涉及螺旋桨涡轮发动机。

    youdao

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