單項(xiàng)選擇題

An intermediate spring is（）.

A.Fitted in each leg of the towing bridle
B.Generally located between the “fishplate” and the main towing hawser
C.Secured at the “H” bitts
D.Usually made of manila hawser

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單項(xiàng)選擇題

A spanner is a（）.

A.cross connection line between two main fire lines
B.special wrench for the couplings in a fire hose line
C.tackle rigged to support a fire hose
D.none of the above

單項(xiàng)選擇題

A long splice in a line（）.

A.is used in running rigging
B.doubles the size of the line
C.is only used on fiber rope
D.is very weak

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An intermediate spring is（）.

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A spanner is a（）.

A long splice in a line（）.

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