Mooring lines should be turned end-for-end occasionally. This is because ______.
A.a line is weakened by constantly pulling on it in one direction
B.normal wear on the line is thus distributed to different areas
C.it prevents the line from kinking or unlaying
D.it prevents permanent misalignment of the line’s internal strands
正确答案：B
系缆需要经常换向使用是因为正常的受力磨损被分散到不同的部分
