单项选择题
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
The antennas of the trucks on deck are not fitted().A.i...
单项选择题The antennas of the trucks on deck are not fitted().
A.in B.on C.out D.with
Ship’s steering gear refers to().A.cargo handling machi...
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