“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	Lasse Lucidor Lassen Volcanic National Park Lassi Sinkkonen Lasso LASSO (least absolute shrinkage and selection operator) criterionor LASSO model lasso pole LASSO准则 LASSO模型 last appearance datum last-come first-served last contact last contact of umbra Last Days of Spring last digit last exit time last geometric theorem last glacial maximum last glacial period lastic water pipe last in first out last-in-first-out automaton last in first out, LIFO lasting quality Lasting Words to Awaken the World

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