单项选择题
What is a step in attaching a poured metal socket to a wire rope?（）
A.Etch the wire with acid B.Install a wire seizing on the wire that will be inside the socket C.Ensure the fiber core is well lubricated D.Pour molten babbitt metal into the socket
单项选择题 What is a spill pipe?（）
单项选择题 What happens to the pulling power of a winch when retrieving wire rope?（）
单项选择题 What fitting on the mast works in conjunction with the shrouds to control side bend of the mast?（）
