“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	read mode read noise read-only decive read only memory read-only memory read-only memory, ROM read-only optical disc readout readout noise read-out time read-out time, access time reads read select line read signal read-write cycle read/write head Ready-made ready-made brand ready-mixed concrete ready-mixed mortar ready state ready-to-eat or ready-to-cook pork and its products Ready to Show(Milan International clothing Exhibiton) ready-to-wear ready to wear press conference

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