单项选择题
A.spring line B.warp line C.bow line D.breast line
A monkey fist is found on a （）.A.heaving lineB.lead lin...
单项选择题A monkey fist is found on a （）.
A.heaving line B.lead line C.manrope D.mooring line
A mobile offshore drilling unit will show the day-shape...
单项选择题A mobile offshore drilling unit will show the day-shape in DIAGRAM 10 to indicate that it is （）.
A.at anchor B.being towed C.aground D.drilling
A mobile offshore drilling unit under tow is approachin...
单项选择题A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （）
A.When the towing vessel enters the fog B.When the drilling rig enters the fog C.When the towing vessel can no longer be seen from the rig D.Immediately
