A、reduce the free surface effect and raise the KG
B、not have any effect on free surface and raise the KG
C、reduce the free surface effect and lower the KG
D、not have any effect on free surface and lower the KG
A、reduce the free surface effect and raise the KG
B、not have any effect on free surface and raise the KG
C、reduce the free surface effect and lower the KG
D、not have any effect on free surface and lower the KG
时间:2022-01-15 13:08 关键词: 船舶结构基本知识