单词	sandwich beam
释义	sandwich beam sandwich beam n (General Engineering) a composite beam in which a viscoelastic layer is sandwiched between two elastic layers Sandwich beam sandwich beam [′san‚wich ‚bēm] (building construction) flitch girder Sandwich beam A built-up beam composed of two joists with a steel plate between them. The joists and plate are held together by bolts. flitch beam, flitch girder, sandwich beam flitch beam A beam built up of structural timbers which are bolted together with a steel plate sandwiched between them.
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