单项选择题
A.Gantline
B.Heaving line
C.Preventer
D.Warp
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().
单项选择题 When a line is laid down in loose,looping figure-eights,it is said to be().