Self balancedsteel pipe concrete tied arch bridge finds favor in bridge engineers' eyes because of its good performance with external loads as well as its new and beautiful structural style.
自平衡钢管混凝土系杆拱桥以其科学合理的受力特性，新颖优美的结构形式而受到了桥梁科技工作者的青睐。
2
Backward curved impeller manufactured in galvanised steel, dynamically balanced.