A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
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A.turned off
B.already
C.almost
D.ready
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.good towing ground
B.good holding ground
C.good grabbing ground
D.good dragging ground
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fule with a nonflammable surface
A.cooling
B.smothering
C.shielding of radiant heat
D.breaking the chain reaction
最新試題
According to the relevant regulation, lifeboat should be powered by（）.
What is it called when it is possible to ignite the vapour above the oil?（）
Manoeuvring information can not be obtained from（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Full details of all lights and fog signals are shown on（）.
The helm command PORT TWENTY means（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
When steering by autopilot,how often should the steering be checked?（）
The dew point temperature is（）.