相邻旋环的交线。
同一孔再次剌入带线疝针缝合腹横筋膜和脐内侧皱襞修补内环；
Then, punctured needle belt line in the same hole to suture the transverse fascia and the medial umbilical folds to fix the inner ring.
文章利用脐点的性质研究了二次曲面的圆截口问题，并给出了与二次曲面交线为圆的圆截口的方程的一种求法。
In this paper, we make use of the properties of the umbilic to research circle section question of quadric in 3-dimensional Euclidean space. We give the equations of these circle sections.
文章利用脐点的性质研究了二次曲面的圆截口问题，并给出了与二次曲面交线为圆的圆截口的方程的一种求法。
In this paper, we make use of the properties of the umbilic to research circle Section question of quadric in 3-dimensional Euclidean space.
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