The air entraining concrete's shrinkage and creep were less than concrete which not content air entrained agent, and the durabilityperformance was improved obviously.
混凝土的收缩和徐变较不引气混凝土相比较小；耐久性能明显改善。
2
The fact is, there is no real performance or durability difference between these.
不过事实是他们之间并没有实际的性能或耐用性的区别。
3
Four different chemical reactions dominate the industry-each of which has pros and cons when it comes to utility, durability, cost, safety and performance.