单项选择题
A snatch block would most likely be used as a（）.
A.boat fall B.fairlead C.riding pawl D.topping lift
单项选择题 A snatch block is a（）.
单项选择题 A smooth，tapered pin，usually of wood，used to open up the strands of a rope for splicing is called a(n)（）.
单项选择题 A short splice in a line（）.
