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In fact, this is only for constipation is quite serious and difficult defecation talents to use.
其实这只是针对便秘相当严重，而且排便困难的人才使用的。
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Methods Check 110 patients, who had difficult of defecation in different degrees, were examined by defecography.
方法对110例有不同程度排便困难的患者行排粪造影检查。通过动静态观察排便过程。
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