单词	磨损环
释义	磨损环wearing ring
随便看	fractionated treatment fractionates fractionating fractionating column fractionating condenser fractionating condenser--dephlegmator fractionating crystallization fractionating device fractionating diffusion pump fractionating distillation fractionating factor fractionating flask fractionating plate fractionating process fractionating tower fractionating tray fractionating tube fractionation fractionation assembly fractionation by chromatography fractionation dose fractionation effect fractionation-- electrolytic fractionation factor fractionation of dose