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Rotor blade damping structure for axial-flow turbine?keyword=Rotor blade damping structure for axial-flow turbine?keyword=Rotor blade damping structure for axial-flow turbine?keyword=Rotor blade damping structure for axial-flow turbine?keyword=Rotor blade damping structure for axial-flow turbine?keyword=Rotor blade damping structure for axial-flow turbine?keyword=Rotor blade damping structure for axial-flow turbine?keyword=Rotor blade damping structure for axial-flow turbine 专利,更快更准确