A.強(qiáng)度設(shè)計(jì)值≥235M Pa B.比例極限值≥235MPa C.抗拉強(qiáng)度值≥235MPa D.屈服點(diǎn)值≥235MPa
A.w<0. 60-/0 B.w<2.1% C.0. 6%~2.1% D.w>2.1%