mitral valve closure的用法和样例：
例句
- Conclusion Double orifice valve repair is a simple and effective methord in the treatment of mitral valve insufficency.
结论双孔二尖瓣成形术是矫治先天性二尖瓣关闭不全的一种简便而有效的方法。 - Conclusions Mitral valve reconstructional procedure for mitral insufficiency in children can achieve good long-term results.
结论二尖瓣成形术治疗小儿二尖瓣关闭不全可取得良好的效果。
