A.2 B.3 C.6 D.10
A.1 B.2 C.3
A.≥設(shè)計(jì)值 B.≥0.95倍設(shè)計(jì)值 C.≥0.85倍設(shè)計(jì)值 D.≥1.1倍5設(shè)計(jì)值