18-8型不锈钢炉管
18-8 type stainless furnace tube
大直径厚壁锅炉钢管
Large-sized heavy-walled boiler steel tube
方钢管-钢骨高强混凝土柱
square steel tube column filled with steel reinforced high strength concrete
钢管-GFRP管-混凝土柱
steel-GFRP-concrete column
钢管钢骨混凝土
steel tube filled with steel-reinforced concrete
钢管－钢骨混凝土柱
circular steel tube composite short column filled
钢管钢筋混凝土柱
reinforced concrete columns covered with steel tub
高压锅炉管钢
high-pressure boiler steel
high-pressure boiler pipe steel
六管钢管混凝土拱桥
CFST arch bridge with six tubes
型钢-钢管混凝土
hollow steel tube filled with steel-reinforced concrete
圆钢管钢骨混凝土
SRC columns with steel circle pipe