“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	nonsingular operator nonsingular perspectivity nonsingular point nonsingular projective transformation non singular quadratic form non-singular quadratic form nonsingular quadratic form non singular real algebraic variety non-singular real algebraic variety nonsingular real algebraic variety nonsingular solution nonsingular space nonsingular spacetime nonsingular stochastic process nonsingular surface nonsingular system non singular transformation non-singular transformation nonsingular transformation nonsingular value nonsingular variety nonsingular zero non-sintered brick non-sinusoidal non-sister chromatid

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。