问题
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
答案
参考答案：B
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A snatch block would most likely be used as a（）.
A.boat fall
B.fairlead
C.riding pawl
D.topping lift
参考答案：B