The durability of concrete is important problem.
混凝土的耐久性已成为重大课题。
The durability of concrete is an important research subject in the international engineering industry.
混凝土耐久性是国际工程界的重要研究课题。
The durability of stone - chip concrete is studied in this paper.
对石屑混凝土的耐久性进行了对比研究。
The durability of stone - chip concrete is studied in this paper.
对石屑混凝土的耐久性进行了对比研究。
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