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痔疮痔疮在成人中发病率较高,也是教师主要的职业病。老师每天花大量的时间伏案备课,久而久之,便容易引发痔
Hemorrhoids Hemorrhoids in the higher incidence of adult teachers is also the main occupational diseases. Teachers spend a lot of time each day preparing lessons, over time, it is easy to cause hemorrhoids