High-Grade Pipeline Steel  高钢级管线钢; 高级别管线钢

high grade pipe line steel  高钢级管线钢

high grade pipeline alloy steel  高钢级管线钢

pipeline steel with high grade  高钢级管线钢

High grade high yield  优质高产

HIGH GRADE PIPELINE STEELS  高钢级管线钢

High Grade Steel  高级钢; 高合金钢; 完整性管理

high-grade high-cadmium zinc  高品位高镉锌

high-grade steel  高级钢; 高钢级

X100 grade pipeline steel  X100级管线钢

X65 grade pipeline steel  X65级管线钢

X70 grade pipeline steel  X70级管线钢

X80 grade pipeline steel  X80级管线钢

X80 grade pipeline steel pipe  X80级管线钢管

cervical high-grade lesion  宫颈高度病变

Copper nickel high grade matte  铜镍高冰镍

dressed high-grade bauxtite  选精矿

EH40 grade high strength hull plate  高强度船板EH40

esophageal mucosa with high-grade dysplasia  食管上皮高度不典型增生