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。
Specially as a result of the ground water influence, pit dewatering becomes the auxiliary project must be implemented in the deep-pit excavation process .
特别是由于地下水的影响，基坑降水成为深基坑开挖过程中必须实施的辅助工程。
Specially as a result of the ground water influence, pit dewatering becomes the auxiliary project must be implemented in the deep-pit excavation process .
特别是由于地下水的影响，基坑降水成为深基坑开挖过程中必须实施的辅助工程。
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