high-tensile steel bar
常見例句
- 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(guò)試驗(yàn)研究了X65、X70級(jí)螺旋埋弧焊鋼管不同拉伸試樣——板狀試樣和圓棒試樣的拉伸性能。 返回 high-tensile steel bar