air-entraining concrete造句

• This is generally accomplished by using water - reducing admixtures . specify air - entrained concrete for outdoor slabs subjected to freezing weather
  也可以使用更高坍落度(的混凝土) ,但(制作混凝土的)混合物必须是设计用于制作不过量泌水和/或分离(混凝土)的(混合物)
• On the basis of considering environmental protection , resources comprehensive utilization and industrial policies , the method of using tailing sand to produce air - entraining concrete was put forward
  摘要本文在全面考虑环境保护、资源综合利用和产业政策的基础上，提出了以尾矿砂为原料生产加气混凝土的综合利用方法。
• The problem of the reinforcement corrosion has already drawn the wide attention of the academic circles , and has been conducted the massive research . however the reinforcement corrosion of air - entrained concrete has not been taken into the systematic research
  国内外学者对普通钢筋混凝土进行了大量研究,得出了很多重要的结论,但对引气混凝土的抗钢筋锈蚀性能研究则较少。
• In the northern area of our country , the climate is so cold , that the frost damage is very serious , especially in the northeast . induced air into the concrete is the most efficient way to improve the behavior of the frost resistance . therefore , studying on the reinforcement corrosion of the air - entrained concrete has important significance
  我国北方地区气候寒冷,冻害比较严重,东北地区尤甚,而引气是提高混凝土抗冻性的最有效措施,因此研究引气混凝土的抗钢筋锈蚀性能有重要的现实意义和明显的经济效益。