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Corrugated metal arch, span 8 meters, applied to SongTong expressway
Diameter 6 meters corrugated metal culvert pipe with bitumen coating in KaiLi
Corrugated steel pipe in BiWei expressway, diameter 3 meters
Structre plate diameter 6 meters, culvert length 130 meters, MeiDa Express way
Corrugated metal pipe diameter 3 meters in double Guang express way
Corrugated metal structure plate arch apply to magazine
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