复兴大桥主桥为上下双层钢管混凝土系杆拱桥。
The main bridge of Fuxing bridge is a double-deck bowstring arch bridge of concrete-filled steel tubes.
双层卷焊钢管应用广泛，品质要求高，必须进行100%检测。
Double layer coiling welded pipe is widely applied and demands high quality. It must carry out 100% inspection.
为了进一步加强内衬钢管的耐腐蚀性能，本文进行陶瓷不锈钢双层内衬钢管的研究。
In order to strengthen the corrosion-resistant performance of the lined steel pipe, this paper carries on the study of the ceramic and stainless steel double-layer lined steel pipe.
对双层卷焊钢管用镀铜钢带质量与组织性能进行了全面分析研究。
This paper presents research results on quality analysis, microstructure and properties of copper coated steel strip (CCSS).
对双层卷焊钢管用镀铜钢带质量与组织性能进行了全面分析研究。
This paper presents research results on quality analysis, microstructure and properties of copper coated steel strip (CCSS).
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