单项选择题
A.Halyards B.Stays C.Sheets D.Downhauls
A.Bill B.Devil's claw C.Palm D.Crown
A.Come along B.Jigger C.Rigger's screw D.Sealing clamp
A.It makes for an easy connection B.It gives a spring effect to cushion the shock C.It eliminates the necessity of a swivel D.It does not chafe
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