A.9000 B.9500 C.10000 D.10500
A.抗拉 B.抗张 C.抗时效 D.抗蚀
A.1mm,1mm B.1mm,0.98mm C.0.98mm,1mm D.0.98mm,0.98mm
A.1 B.2 C.3 D.4
A.检测不到信号 B.参数设置不当 C.轧件过大
A.90 B.95 C.100 D.105
A.疲劳点蚀 B.塑性变形 C.弹性变形