“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	collaborative workflow Collaboratory for the Study of Earthquake Predictability Collage collage collage music collagen collagenase collagen fibre collaping gully collapsar collapse collapse and revival collapse breccias collapse corruption collapse disasters in China collapsed lung pressure collapsed mapping cone collapsed object collapsed star collapse fraction collapse of lung collapse of quantum state collapse of shell collapse of the Soviet Socialist newspaper system collapse of vapor bubble

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。