A. 正确 B. 错误
A. 0.3%,0.4% B. 0.2%,0.5% C. 0.2%,0.4% D. 0.4%,0.4%
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