单项选择题
A.hunting gear B.cut-off level C.servo-motor D.swivel block
The （） in the steering gear system provides the force.A...
单项选择题The （） in the steering gear system provides the force.
A.control equipment B.power unit C.transmission mechanisms D.fittings and pipeline
The cable lifter, mooring drum and warp end of a split ...
单项选择题The cable lifter, mooring drum and warp end of a split windlass may be separately engaged or disengaged means of a （）
A.dog clutch B.Pair of gears C.worm gear D.turning gear
The rotating unit of a spilt windlass consists of a（） w...
单项选择题The rotating unit of a spilt windlass consists of a（） with shaped snugs to grip the anchor cablea mooring drum for paying out or letting go of mooring wires and warp end for warping duties.
A.cranes B.mooring barrel C.capstans D.cable lifter
