“portal crane”的概念、定义、翻译、参考文献-科学参考

单词	portal crane
释义	portal crane Encyclopedia 工学〔轻小型起重设备〕释 portal crane门座起重机安装在沿地面轨道行走的门形底座上的全回转臂架型起重机，其门形底座下方可通行铁路车辆或其他无轨运输车辆（如汽车）等。
随便看	diversified assessment diversified production diversified scenery on stage diversion diversion and closure technology for water conservancy construction in ancient China diversion channel diversion dike diversion gaps along the Jingjiang section in the middle reaches of the Yangtze River diversion headwork diversion tunnel diversion type hydropower station diversity diversity and combining diversity condition diversity factor diversity index diversity-invasibility diversity management diversity of buildings diversity of weed nutrition mode diversity oriented synthesis diversity-oriented synthesis diversity oriented synthesis (DOS) diversity reception diversity resistant hypothesis

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