“derrick floor”的概念、定义、翻译、参考文献-科学参考

单词	derrick floor
释义	derrick floor Encyclopedia 工学修井井架释 derrick floor钻台用来安装转盘、摆放钻杆、钻铤、井口工具等，并提供井口装置的安装空间和钻井作业的操作平台。
随便看	connected polyhedron connected product connected region connected relation connected ring connected scheme connected semigroup connected sequence connected sequence of functors connected set Connected Singapore Plan connected solvable group connected space connected square matrices connected sum connected sum decomposition connected surface connected topological space connected topology connected treatment connected variety connected vehicle driver security authentication connected vehicles connecter connect everything to everything

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。