A.winchB.windlassC.draw worksD.dynamic pay out systemTh……

单项选择题The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.

A.flex joint
B.slip joint
C.heave joint
D.riser joint

单项选择题The athwartship hull structural members of a ship are（）.

A.stringers
B.girders
C.breasthooks
D.deck beams

单项选择题The antennas of the trucks on deck are not fitted（）.

A.in
B.on
C.out
D.with

单项选择题Ship’s steering gear refers to（）.

A.cargo handling machines
B.deck winches and derricks
C.engine-room tools
D.course controlling system

单项选择题Shell plating is（）.

A.the galvanizing on steel
B.a hatch cover
C.the outer plating of a vessel
D.synonymous with decking