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

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单项选择题

A snatch block is a（）.

A.block used only with manila rope
B.chock roller
C.hinged block
D.strong block used for short，sharp pulls

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)（）.

A.batten
B.bench hook
C.awl
D.fid

单项选择题

A short splice in a line（）.

A.decreases the size of the line
B.should be used if the line is going through a block
C.should only be used in wire rope
D.doubles the size of the line