tourbillon是什么意思

tourbillon是什么意思

IntroductionTourbillonisatermcommonlyusedinthefieldofhorology.Itisasophisticatedmechanicaldevicethatenhancestheaccuracyofawatch.InventedbyAbraham-LouisBreguet,tourbillonhasbecomeasymbolofprestigean…

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