单项选择题
The machinery associated with heaving in and running out anchor chain is the（）.
A.winch
B.windlass
C.draw works
D.dynamic pay out system
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相关考题
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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
