单项选择题
A.<0.5% B.<1% C.<1.5% D.<2%
A.100MPa B.102MPa C.112MPa D.120MPa
A.6.3s B.9.3s C.11s D.14s
A.+100℃ B.+120℃ C.+125℃ D.+130℃
微信扫一扫,加关注免费搜题
