Methods The fundus of the stomach was pulled to the cervical part of the esophagus and then suture the superficial layer and the deep layer of the esophagus with the stomach alternately.

方法①将常规牵拉胃底把胃提至颈部改为牵拉胃贲门部。②食管胃深浅间隔进针吻合法。③胃体浆肌层切开减张降低吻合口存在的张力。

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The divisional walls will divide the long strip pit into several small pits that will be excavated alternately to keep the old station stable and safe during deep pit excavation.

为了保证基坑开挖过程中既有车站的安全，用隔墙将新地铁车站长条形基坑分成小基坑间隔开挖。

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