单词	duralumin
释义	duralumin noun du·​ral·​u·​min du̇-ˈral-yə-mən   also  dyu̇- : a light strong alloy of aluminum, copper, manganese, and magnesium Example Sentences Recent Examples on the Web The wings and fuselage were constructed from corrugated duralumin, a light, strong alloy of aluminum, copper, manganese, and magnesium, while the landing gear and bracing were all steel. Laurie Gwen Shapiro, Longreads, 16 Jan. 2018 Close will take with her that ultra lightweight duralumin tray her mother received, made from the same material so much of the aircraft was to help keep it in the air. John Marks, charlotteobserver, 10 May 2017 Then came the PCA-1A, which cut weight using duralumin tubing instead of steel construction, and fabric covering the wings instead of plywood. Alex Davies, WIRED, 3 July 2014 Word History Etymology from Duralumin, a trademark First Known Use 1910, in the meaning defined above
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