大直径厚壁不锈钢管
Large-sized heavy-wall stainless steel pipe
大直径厚壁锅炉钢管
Large-sized heavy-walled boiler steel tube
厚壁钢管
Heavy-wall steel pipe
heavy thickness steel pipe
heavy section steel tube
hea vy-wall tube
小直径厚壁钢管
Small-sized heavy-wall steel tube
大口径厚壁钢管
largy-diameter thick-walled tube
大直径钢管
Big diameter pipe
large diameter long acrossed-river water supply pipe
Large-sized steel tube
Heavy-caliber
厚壁大直径筒节
Shell Which Owning Very Thick and Super Diameter
大直径无缝钢管
Large-sized seamless steel tube