“井架”的概念、定义、翻译、参考文献-科学参考

单词	井架
释义	井架 Encyclopedia 工学竖井提升释 headframe井架位于竖井井口附近或斜井井口前方，安装有提升机天轮、箕斗卸载设备和过卷保护设备的高架矿山构筑物。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	force control forced forced abdication of Emperor Guangzong of Song forced absorption forced aeration aerobic composting forced air cooling forced breathing forced choice test forced circulation forced circulation crystallizer forced circulation pump forced collision method forced convection forced differential equation forced diffusion forced display Forced distribution method forced draft fan forced emission force density Forced Entertainment forced entry resistant glass forced expiratory volume forced field forced-free field

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。