停止工作时，应将六速仪怎样处置？

A. shape of the vessel's underwater hull remains the same
B. vessel's center of gravity shifts to the center of the vessel's underwater hull
C. vessel's center of buoyancy shifts to the center of the vessel's underwater hull
D. vessel's mean draft increase

A. HLA-DP
B. HLA-B
C. HLA-DR
D. HLA-DQ
E. HLA-A

A. 正确
B. 错误