锻炼方法很简单,有意识地4K4i行缩肛运动即可(这个运动Pm8N叫凯格尔运动)QTii
TheCommitteeoftheSixty-YearHistoryoftheKoreanEconomy,theKoreanEconomy:SixDecadesGrowthAndDevelopment,KoreaDevelopmentInstitute,2010.