单项选择题
Compared to manila line，size for size，nylon line（）.
A.has less strength than manila line
B.has more strength than manila line
C.is equivalent to manila line
D.will rot quicker than manila line
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相关考题
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单项选择题
Chafing gear is used to（）.
A.anchor the boat
B.pick up heavy loads
C.protect fiber rope from abrasion
D.strengthen mooring lines -
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 -
单项选择题
Back-up wires on a towed vessel provide（）.
A.a factor of safety
B.additional strength
C.a distribution of the towing load
D.All of the above
