钻探用无缝钢管
seamless steel tube for drilling
结构用无缝钢管
seamless steel tubes for structural purposes
起重机臂架用无缝钢管
Seamless steel tube for fabrication of Crane gib arm
石油裂化用无缝钢管
Seamless steel pipe for petroleum cracking service
高压高容治疗
Hypertensive hypervolemic therapy
高压容浦
high pressure vessel steel
pressure vessel steel
锅炉用钢管
Boiler pipe
steel tube used in boiler
高可用无缝环
high availability seamless ring
高压玻璃钢管
High pressure fiberglass pipe
High-pressure Fiberglass Pipe
HPFP
高压大容量变换器
High Voltage and High Power Inverter
流体输送用钢管
steel pipe used for fluidity transmission