A.Safety helmets
B.Buoyance aids
C.Breathing apparatus
D.Immersion suits
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A.Safety helmets
B.Goggles and sepctacles
C.Breathing aparatus
D.Safety suits
A.Safety helmets
B.Goggles and sepctacles
C.Breathing apparatus
D.Gloves and safety boots
A.Safety helmets
B.Goggles and sepctacles
C.Breathing apparatus
D.Gloves
A.Safey helmets
B.Goggles and spectacles
C.Breathing apparatus
D.Gloves
A.The doube bottom
B.The cofferdam
C.The navigating bridge
D.The superstucture
最新試題
Fog is likely to occur when there is little difference between the dew point and the（）.
A tide is called diurnal when（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
Which of the following shall not the officers in charge of the navigational watch do?（）
The helm command PORT TWENTY means（）.
It is dangerous for vessels without the operational radar（）the estuary.
According to the relevant regulation, lifeboat should be powered by（）.
When steering by autopilot,how often should the steering be checked?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）