structural concrete是什么意思 structural concrete怎么读
structural concrete的用法和样例
- Based on plenty of engineering identrfication data, the pattern of concrete carbonization in reinforced concrete structure under every environment was studied.
摘要本文基于大量工程鉴定资料对各种环境下的钢筋混凝土结构混凝土碳化规律进行了分析。
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