| 单词 | girder |
| 释义 | girder —girderless, adj. /gerr"deuhr/, n. 1. a large beam, as of steel, reinforced concrete, or timber, for supporting masonry, joists, purlins, etc. 2. a principal beam of wood, steel, etc., supporting the ends of joists. [1605-15; GIRD1 + -ER1] |
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