问题
单项选择题
Chafing gear is normally used（）.
A.for portable fenders
B.for ground tackle
C.on the inside of the hawsepipe
D.on mooring lines
答案
参考答案：D
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Chafing gear is normally used（）.
A.for portable fenders
B.for ground tackle
C.on the inside of the hawsepipe
D.on mooring lines
参考答案：D