底部形态
底部形态-
多根牙髓室底部形态及临床意义
Observation on the Form of Pulp Chamber Bottom of multirooted Teeth and Its Clinical Application
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方法20例影像学检查确诊的食管-胃吻合口瘘，根据瘘口的部位、大小，残留食管和胃底部形态，选择蘑菇状覆膜内支架型号。
Methods On the basis of the site , size of fistula and shape of esophagus and stomach , mushroom covered stents were selected in 20 patients with gastroesophageal anastomosis fistula .
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高层建筑底部实体视觉形态研究
Study on the Vision Form of the Bottom Entity of High-rise Building