portal structures 中文意思是什麼

portal structures 解釋
門形結構
  • portal : n 波特爾〈姓氏〉。n 1 (大建築物的)入口;正門;橋門;隧道門。2 〈詩〉門,入門。3 【解剖學】門靜...
  • structures : 構築物
  1. Railway fixed equipment. post brackets and portal structures for signalling in aluminium alloy

    鐵路固定設備.鋁合金信號用柱式支架和門架式結構
  2. In - plane stability performance of portal frame structures with different ratio of depth to span

    均布荷載作用下門式剛架的平面內穩定性能
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