A.屈服點(diǎn)、抗拉強(qiáng)度 B.抗拉強(qiáng)度、伸長(zhǎng)率 C.屈服點(diǎn)、抗拉強(qiáng)度、伸長(zhǎng)率 D.屈服點(diǎn)、伸長(zhǎng)率
A.60° B.80° C.125° D.135°