“通井机”的概念、定义、翻译、参考文献-科学参考

单词	通井机
释义	通井机 Encyclopedia 工学铲土运输机械释 wheeled tractor hoist通井机以专用底盘为基础，用于起下油管、钻杆、抽油杆或打捞、抽汲、通井等作业的工程机械。又称作业机。
随便看	partial correlation partial correlation analysis partial correlation coefficient partial correlation function partial covariance partial cross-section partial decay constant partial degeneracy partial degree partial denominator partial density partial depleted silicon on insulator device partial derangement partial derivation partial derivative partial derivative of higher order partial derivative relations partial derivatives of higher orders partial derived functor partial diallel mating design partial difference partial difference equation partial difference quotient partial differential partial differential coefficient

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。