镀铬钢喷管
chrome-plated steel nozzle
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
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
13铬不锈钢管
13Cr Stainless Steel Tubing
15CrMoG无缝钢管
15CrMoG Seamless Steel Tubes
1Cr18Ni9Ti不锈钢管
1Cr18Ni9T stainless steel pipe
20#碳钢管线
20 # carbon steel pipeline