“power-driven system”的概念、定义、翻译、参考文献-科学参考

单词	power-driven system
释义	power-driven system Encyclopedia 工学钻井装备释 power-driven system钻机动力驱动系统为钻机起升、旋转和循环提供动力的配套设备组合。
随便看	quasi-stationary spectrum quasi-stationary spiral structure quasi-stationary state quasi-stationary wave quasi-steady condition quasi-steady flow quasi-steady state quasi steady-state assumption quasi-steady state water influx quasi-stellar blue galaxy quasi-stellar galaxy quasi-stellar object quasi-stellar object, QSO, quasar quasi-stellar radio source quasi-stellar red galaxy quasi-stellar source quasi-stochastic matrix quasi-strong connectedness quasi-strongly connected graph quasi-subordinate quasi-subvariety quasi-superharmonic function quasi-symmetric quasisymmetric quasi-symmetric domain

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