单项选择题
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
A spanner is a（）.A.cross connection line between two ma...
单项选择题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
A long splice in a line（）.A.is used in running riggingB...
单项选择题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
A hook that will release quickly is a（）.A.longshore hoo...
单项选择题A hook that will release quickly is a（）.
A.longshore hook B.margin hook C.marginal hook D.pelican hook
