rectangular codes 中文意思是什麼
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The concrete - filled rectangular hollow sections ( cfrhs ) t - and y - connections are the novel kind of welded - truss connections, which have not yet been concerned by the existing codes or specifications in china
矩形鋼管混凝土t 、 y型節點是一種新型的節點形式，在我國現行的規范規程中對于這類節點都還沒有涉及。
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