How much do you know about the high speed rail industry, building materials is a general designation of the materials used in civil engineering and construction engineering.
高速护栏板行业您的了解有多少呢？建材是土木工程和建筑工程中使用的材料的统称。
Using aluminum alloy as a kind of building materials is a new trend in civil engineering, the project practice of the aluminum alloy structure is getting more and more in our country.
土木工程中使用铝合金作为建筑材料是一种新的趋势，铝合金结构在我国的工程实践越来越多。
Using aluminum alloy as a kind of building materials is a new trend in civil engineering, the project practice of the aluminum alloy structure is getting more and more in our country.
土木工程中使用铝合金作为建筑材料是一种新的趋势，铝合金结构在我国的工程实践越来越多。
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