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.
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