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Method of and apparatus for controlling magnetic levitation?keyword=Method of and apparatus for controlling magnetic levitation?keyword=Method of and apparatus for controlling magnetic levitation?keyword=Method of and apparatus for controlling magnetic levitation?keyword=Method of and apparatus for controlling magnetic levitation?keyword=Method of and apparatus for controlling magnetic levitation?keyword=Method of and apparatus for controlling magnetic levitation?keyword=Method of and apparatus for controlling magnetic levitation 专利,更快更准确