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单词	box girder
释义	box girder noun : a girder or beam of rectangular cross section with two or more webs Word History Etymology box entry 2
随便看	trade schools trade secret trade show trade surplus trade test trade union trade unionism trade unionist trade up trade warranty trade waste trade wind trade-in trade-last trade-off trade-offs tradeable tradecraft tradecrafts traded traded (for) traded (in) traded down traded for traded in

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