词汇	lubricating ring
释义	lubricating ring 润滑油环,润滑环
随便看	two stage extruder two-stage extrusion twostage filter two stage filter two-stage filter two-stage filter model two-stage filtration two-stage firing two-stage flotation two stage flotation process two-stage fluidized bed reactor two-stage folding two stage forwarding tables two-stage fuzzy comprehensive evaluation two-stage fuzzy control two-stage fuzzy controller two-stage fuzzy optimization two-stage fuzzy PID two-stage fuzzy synthetic judgment Two-stage gas ejector two stage gasifier two-stage gasifier Two-stage gasoline direct injection engine two-stage gas turbine two-stage genetic algorithm