“mast/derrick”的概念、定义、翻译、参考文献-科学参考

单词	mast/derrick
释义	mast/derrick Encyclopedia 工学井架释 mast/derrick井架在钻井或修井过程中，用于放置天车，悬挂顶驱、游车、大钩等设备，存放钻杆、油管及抽油杆，以便进行起下钻具、钻进、下套管等作业的装置。
随便看	urban public economy urban public facilities urban public facilities design urban public space Urban Public Transportation in Canada urban public transportation system Urban public transport lines urban public utility urban pulic space planning urban purple line urban rail air conditioning system urban rail communication systems urbanrail depot building urban rail environmental monitoring system urban rail passenger information system urban rail power supply system urban rail signalling system urbanrail station building Urban Rail Transit urban rail transit urban rail transit bridge urban rail transit combined sewerage system urban rail transit construction urban rail transit construction planning urban rail transit drainage 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。