英语词汇“portal frame”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	portal frame
释义	portal frame 门式钢架;龙门架
随便看	protected fuel tank protected glass protected goods protected ground protected grounding network protected harbo(u)r protected heating element protected holder protected imports protected internee protected junction protected key protected level protected location protected lowland protected luminaire protected machine protected machinery protected membrane roof Protected memory protected mode protected motor protectedness protected object protected object policy 用之则为虎，不用则为鼠。用之则行，舍之则藏。用之当，则一人能周数人之用；用之不当，则数人不能成一人之功。用之盈虚，在节与不节耳。不节，则虽盈必竭；能节，则虽虚必盈。用人用人不以私害公。用人不刻，交友不滥用人不宜刻，交友不宜滥用人不宜刻，刻则思效者去。用人不宜刻，刻则思效者去。交友不宜滥，滥则贡谀者来。隘谷隘路隘陋隙隙地隙末隙缝隙角隙驷隙驹