There is no power for the ()(起货机).
A、winch
B、crane
C、derrick
D、boom
A、winch
B、crane
C、derrick
D、boom
A、There is something wrong with the derrick at hatch No.2. B、There is something wrong with the derrick at hatch No.1. C、There is something wrong with the winch at hatch No.2. D、There is something wrong with the winch at hatch No.1.
A、unscrewing the bulb during the daylight B、switching the light on only when necessary C、taking no action as there is no way on saving power D、taking no action as they shut off automatically in daylight
A、ventilate all compartments,see that the machinery is clean and there are no obstructions B、just turn the key and start up C、take for granted that there are no fuel leaks D、assume there are no volatile fumes in the engine space
A、the lack of cooling effect on heated materials B、that it cannot be used in a dead ship situation with no electrical power to the CO2 pump C、that it breaks down under extreme heat to form poisonous gases D、there is no effect on a class A fire even in an enclosed space
A、magnetic equator B、magnetic longitude reference line C、points where there is no variation D、points where there is no annual change in variation
A、M is not fixed at large angle B、there is no M at large angles C、G is not fixed at large angles D、there is no G at large angles
A、The pistons reciprocate B、The ‘B’ end cylinder barrel rotates C、There is no fluid flow D、Power is transmitted hydraulically