单项选择题
A.先装入中舱 B.后装入两舷侧舱 C.先装人两舷侧舱 D.后装人中舱
A.0.3%,0.4% B.0.2%,0.5% C.0.2%,0.4% D.0.4%,0.4%
A.0.2% B.0.3% C.0.4% D.0.5%