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working machine such as pump or turbine consists of two rotors with the same frequency and same phase difference of 180 degrees; on each rotatore are fixed to two identical tubular circuits, each of which, by means of two valves.
working machine such as pump or turbine consists of two rotors with the same frequency and same phase difference of 180 degrees; on each rotatore are fixed to two identical tubular circuits, each of which, by means of two valves.
