单项选择题
A.5,95%以上,2 B.10,95%以上,1 C.10,100%,2 D.10,100%,1
A.2~20 B.6~60 C.随便一个恒力 D.随着力值增大施加的力可以增大
A.10MPa B.5MPa C.1MPa D.0.5MPa
A.D+2.5a B.D+3a C.(D+3a)±0.5a D.(D+2.5a)±0.5a
A.410MPa、585MPa B.410MPa、590MPa C.415MPa、585MPa D.415MPa、590MPa
A.168 B.182 C.196 D.210
A.最大值,最小值 B.最小值,最大值 C.最大值,最大值 D.最小值,最小值
A.抗拉 B.抗弯 C.塑性变形 D.韧性变形
A.625MPa,625MPa B.630MPa,625MPa C.625MPa,615MPa D.630MPa,630MPa
A.410MPa,400MPa B.405MPa,395MPa C.415MPa,400MPa D.410MPa,395MPa