单项选择题
The catenary in a towline is（）.
A.a short bridle B.the downward curvature of the hawser C.another name for a pelican hook D.used to hold it amidships
单项选择题 he carrick bend is used to（）.
单项选择题 The biggest problem encountered when towing bridle legs are too short is（）.
单项选择题 The best way to lift many small articles aboard your vessel is with a（）.
