单项选择题
A.a Coast Guard inspector B.a registered professional engineer C.the owner or Master of the vessel D.a licensed electrician
A towing light is（）.A.shown below the stern lightB.whit...
单项选择题A towing light is（）.
A.shown below the stern light B.white in color C.displayed at the masthead D.a yellow light having the same characteristics as the stern light
A towing light is（）.A.shown at the bowB.white in colorC...
A.shown at the bow B.white in color C.shown in addition to the stern light D.an all-round light
A towing hook may be released from the（）.A.tugs enginer...
单项选择题A towing hook may be released from the（）.
A.tug's engineroom or the bow B.pilot house or aft steering station C.forecastle D.towing bitts by reaching over and releasing a lever
