下承式桁架
詞語: 下承式桁架
解釋: through truss
詞典: 水利專業漢英詞典
下承式桁架 相關解釋
through truss 〔名詞〕下承式桁架,穿式桁架
through truss 〔名詞〕下承式桁架;n.下承桁架
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