A.sweep flames away with water spray
B.shut off the leak
C.use a chemical foam fire extinguisher
D.call t e local fire department
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A.Non-toxic gas
B.oxygen
C.Hydrogen
D.Helium
A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
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
最新試題
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
The dew point temperature is（）.
Which of the following is not a form of precipitation?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
According to the relevant regulation, lifeboat should be powered by（）.
（）is on the panel of radar.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.