A.1.1 B.1.2 C.1.4 D.1.8
A.3.0m% B.3.5m% C.3.6m D.4.0m
A.0.5H1+0.5H2、且≥24M B.12M+0.5H2、且≥24M C.0.33H1+12M、且≥24M D.0.33H1+0.5H2、且≥24M