单项选择题
A.hawse pipe B.fall pipe C.drop-pipe D.spill pipe
The machinery associated with heaving in and running ou...
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
The joint of the riser in a marine riser system that co...
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
The athwartship hull structural members of a ship are（）...
单项选择题The athwartship hull structural members of a ship are（）.
A.stringers B.girders C.breasthooks D.deck beams
