结论tte可以作为ASD的筛查方法，而经食道超声心动图三维结构重建测值则可作为选择A SD治疗方案以及封堵器大小的重要参考。
Conclusions TTE could be used as a screening method of ASD, while transesophageal three-dimensional echocardiography plays an important role in the selections of therapy and occluder.
同时，提出裂缝处理的表面修补方法、灌浆嵌缝封堵法、结构加固法和混凝土置换法。
At the same time, the surface crack repair method of crack treating, grouting filling embedded block and structural concrete reinforcement and displacement methods are proposed.
根据该采空区地质条件，设计了三开井身结构，对采空区进行地面注浆及封堵处理。
According to geological condition of this mined-out area, a three hole-ins well has designed to carry out surface grouting and fire-area sealing.
应用推荐