“derrick crane”的概念、定义、翻译、参考文献-科学参考

单词	derrick crane
释义	derrick crane 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	bridge deck pavement bridge design standard bridge design theory bridged graph bridged heterocyclic compound bridged metallocene catalyst bridged metallocene catalyst; ansa-metallocene bridged ring system bridged-ring system bridge engineering bridge engineering geology bridge engineering survey bridge erector for track beam bridge fault bridge foundation bridge foundation soil bridge guard rail bridgehead atom bridge health monitoring bridge hydrology bridge index bridge inspection working platform bridge knot bridgeless graph bridge light environment

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。