“桅杆起重机”的概念、定义、翻译、参考文献-科学参考

单词	桅杆起重机
释义	桅杆起重机 Encyclopedia 工学〔轻小型起重设备〕释 derrick crane桅杆起重机以桅杆为承载构件，臂架下端与桅杆下部铰接，上端通过钢丝绳与桅杆相连的简易臂架型起重机。俗称把杆、拔杆。
随便看	center of subsidence center of symmetry Center of the World center of volume center point center point grounding resister center-projective centers for supervision, inspection and testing of agricultural genetically modified organisms of Ministry of Agriculture and Rural Affairs of China Centers for the Acquisition and Dissemination of Scientific and Technical Information centers method centers of crop diversity centers of origin of crops Center Stage center surface center symmetrical figure center-to-center distance center valued trace center-valued trace [center-valued] trace [of a von Neumann algebra] center-valued trace of a von Neumann algebra centesimal centesimal fraction centesimal minute of angle centesimal second of angle centesimal system

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。