Construction of foundation tunnel of multiple building of Changsha traffic cop detachment was very difficult with complicated geological condition, rich water and much flow-sand.
长沙市交警支队技术综合大楼地质条件复杂，水量丰富，流砂严重，基坑施工相当困难。
Construction of foundation tunnel of multiple building of Changsha traffic cop detachment was very difficult with complicated geological condition, rich water and much flow-sand.
长沙市交警支队技术综合大楼地质条件复杂，水量丰富，流砂严重，基坑施工相当困难。
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