单项选择题
When riveted joints occur at the ends of plating they are called().
A.trailers B.terminals C.seams D.butts
单项选择题 When passing a hawser to the dock you would first use what line().
单项选择题 When cutting wire rope,seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also().
单项选择题 When a line is subject to wear where it passes through a mooring chock,it should be().