与"perpetual motion machine of first kind"相近的词条

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• perpetual bloom
• perpetual calendar
• perpetual forest
• perpetual irregular pulse
• perpetual motion
• perpetual motion machine of first kind
• perpetual motion machine of second kind
• perpetual parthenogenesis
• perpetual resources
• perpetual snow
• perpetually
• perpetually frozen soil
• perpetuate
• perpetuation
• perpetuity
• perpex testicular implant

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