According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
The ground floor is made of reinforced concrete and is slightly smaller than the floors above.
一层由钢筋混凝土构成，比上面的各层要稍微小些。
The lower ground floor of the building consists of reinforced concrete and is partly covered by the site's natural slope.
建筑的地下层由钢筋混凝土结构以及部分由场地的自然坡度覆盖形成。
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