Sutong Bridge lies in the bad geological and complicated hydrographicconditions, which is hard to be constructed.
苏通大桥基础施工处于极差的地质和复杂的水文条件,施工难度大。
2
The alluvium thickness of air shaft in Zhaogu No. 2 Coal Mine is up to 528.85 m. The geologic and hydrographicconditions are complex, so it is very difficult for freezing design and construction.