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.
通过试验研究了X65、X70级螺旋埋弧焊钢管不同拉伸试样——板状试样和圆棒试样的拉伸性能。 返回 high-tensile steel bar