Airport Construction(11.机场建设)

WhenOrvillewright(1871—1948)andhisbrotherWilbur(1867—1912)mademansfirstpoweredflightonDecember17,1903,atkittyHawk,NorthCarolina,theyrevolutionizedtransportation.Intheorythenewaircraftmadepossiblethemovementofmenandgoodsfromanypointonearthtoanyotherwithouttheneedformassiveengineeringprojectsonroad ......(共5667字)[阅读本文]>>

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