The composite steel plate production quality in line with national standards.
生产的彩钢复合板质量符合国家标准。
It has a steel structure with a composite roof.
建筑的屋顶采用了复合钢结构。
Steel fiber concrete is a kind of new composite material of fine property.
钢纤维混凝土是一种性能优良的新型复合材料。
A new type of composite construction-concrete-filled steel tube with formwork composite construction is studied.
本文实验研究了一种新型的钢管混凝土组合结构—模网钢管混凝土结构。
The present invention relates to a steel-plastic composite pipe material for transmission of fluid.
本发明涉及一种输送流体的钢塑复合管路材料。
The present invention relates to a steel-plastic composite pipe material for transmission of fluid.
本发明涉及一种输送流体的钢塑复合管路材料。
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