英语词汇“pennsylvania truss”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pennsylvania truss
释义	pennsylvania truss noun Usage: usually capitalized P : a truss developed from the Pratt truss especially for bridges with long spans and having subdivided panels, curved top chords for through trusses, and curved bottom chords for deck spans
随便看	borohydride boron boron boronatrocalcite boron carbide boronia boronic boron nitride boron trifluoride bororo bororoan borosilicate borosilicate borosilicate glass borotuke borotungstic borotungstic acid borough borough borough-english borough-holder boroughmonger boroughreeve borracha borrasca

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