单项选择题
Which is normally used to hold wire rope for splicing().
A.Come along B.Jigger C.Rigger's screw D.Sealing clamp
单项选择题 When towing,what is the main reason for using a chain bridle on a wire hawser().
单项选择题 When securing a hook to the end of a wire rope you should use().
单项选择题 When riveted joints occur at the ends of plating they are called().