常見例句雙語例句Under optimal conditions, single extraction and back-extraction efficiencies were 87% and 90%, respectively.在此條件下，鋰的單次萃取率和反萃率分別是87%和90%。www.rm-journal.comThe major factors of affecting extraction and back-extraction were discussed. The better technological conditions were obtained.分析了影響萃取及反萃取取的因素，獲得了較佳工藝條件。By analysis and calculation of the exergy of thermodynamic system of B25-90/10-1 back pressure extraction turbine unit for cogeneration Plant, the Optimal Operating mode of the unit is determined.通過對B25-90/10-1型熱電合供背壓式機組的熱力系統(tǒng)的（火用）分析、計算，確定了該機組的最佳經濟運行方式。 返回 back-extraction