The frame and headline column are important part of engineering drawings.
图框、标题栏是工程图样的一个重要组成部分。
Concrete structure with circular cross section, especially concrete column has wide application in engineering.
截面混凝土结构在工程中应用广泛，尤其以混凝土柱居多。
Concrete structure with circular cross section, especially concrete column has wide application in engineering.
圆形截面混凝土结构在工程中应用广泛，尤其以混凝土柱居多。
Concrete structure with circular cross section, especially concrete column has wide application in engineering.
圆形截面混凝土结构在工程中应用广泛，尤其以混凝土柱居多。
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