notched bar test meaning in English

刻痕试杆冲击试验
切口试样冲辉验
切口试样冲击试验
缺口试样试验

Notched bar tests - determination of crystallinity
缺口棒试验.第5部分:结晶度的测定
Notched bar tests - the izod impact test of metals
缺口棒试验.第1部分:金属的艾氏冲击试验
Notched bar tests - method for precision determination of charpy v - notch impact energies for metals
划痕棒材试验.第6部分:金属摆式v划痕冲击能量精密测定方法
Notched bar tests - specification for verification of the test machine used for precision determination of charpy v - notch impact energies for metals
划痕棒材试验.第7部分:金属摆式v划痕冲击能量精密测定试验机检验规范