The microstructure of Al-carbon bricks used in the blast furnace is studied by micro-structureanalysis method, and the effects of the structure on the performance of the products also discussed.
运用显微结构研究方法，研究高炉用微孔铝碳砖的显微组成结构，探讨了组成结构对使用性能的影响。
2
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。
3
Based on the analysis of structure of micro-base-parts, drew up a detailed route of the complete machining process.