A、lower than the center of gravity
B、at the same height as the center of gravity
C、higher than the baseline
D、on the longitudinal centerline
A、lower than the center of gravity
B、at the same height as the center of gravity
C、higher than the baseline
D、on the longitudinal centerline
时间:2021-07-20 04:01 关键词: 船舶浮性 海上货物运输 水路交通运输技能考试 海船船员考试