单项选择题
A.which exists when the wind speed is less than 50 knots B.before collision C.after flooding D.at the maximum load
A.The righting arms at various angles of inclination and displacement B.The metacentric height at large angles of heel C.The height of the center of buoyancy at various angles D.The metacentric radius at various displacements
A.metacentric height B.displacement C.righting moment D.inclining moment