“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	developmental plasticity developmental psychology developmental psychopathology developmental reversibility developmental rhythm developmental science Developmental Social Policy developmental social work developmental stability vs. instability developmental strategy of tourism industry developmental systems theory developmental task developmental teaching developmental trajectory development and evolution of aortic arches development and opening up along the border development and people's livelihood index Development and Research Center of the State Post Bureau(China) Development and Sects of Ci Poetry in the Tang and Song Dynasties development and utilization of forest resources development and utilization of submarine mineral resources development and utilization of underground space development and utilization plan of mineral resources development axis development base of mineral resources

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。