high-tensile steel bar
常见例句
- This paper studies the tensile properties of stripe and round bar specimens for high grade(API X65~X70) spiral submerged-arc welding(SSAW) steel pipes.
通過試騐研究了X65、X70級螺鏇埋弧銲鋼琯不同拉伸試樣——板狀試樣和圓棒試樣的拉伸性能。 返回 high-tensile steel bar