单项选择题
A.370MPa B.490MPa C.410MPa D.570MPa
A.400MPa、540MPa、17% B.335MPa、490MPa、23% C.400MPa、540MPa、16% D.335MPa、455MPa、17%
A.抗滑性能试验 B.抗破坏性能试验 C.扭转刚度性能试验 D.抗压性能试验
A.上屈服强度 B.下屈服强度 C.上屈服强度和下屈服强度 D.上屈服强度和下屈服强度,或下屈服强度
A.0.5 B.0.3 C.1.0 D.1.2
A.625MPa,625MPa B.630MPa,625MPa C.625MPa,615MPa D.630MPa,630MPa
A.合格 B.不合格 C.双倍复检 D.无法判定
A.410MPa,400MPa B.405MPa,395MPa C.415MPa,400MPa D.410MPa,395MPa
A.520MPa,545MPa,555MPa B.525MPa,545MPa,550MPa C.520MPa,520MPa,550MPa D.520MPa,545MPa,550MPa
A.28.5%,28.5% B.29.0%,29.5% C.28.5%,29.0% D.29.0%,28.5%