A.DEFE
B.DE
C.DS
D.DES
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A.Hydrus
B.Leo
C.Centaurus
D.Aquila
A.Cygnus
B.Pegasus
C.Ursa Major
D.Andromeda
A.Maritime Safety Information
B.Maritime Shipping Index
C.Maritime Satellite Indicator
D.Mariner Safety Intelligence
A.litmus paper
B.combustible gas indicator
C.oxygen breathing apparatus
D.oxygen indicator
A.longitudinally
B.vertically
C.transversely
D.intermittently
最新試題
Deficient oxygen content inside a chain locker can be detected with（）.
Commercial ships or other persons or agencies requiring the assistance of Canadian Coast Guard icebreakers should first contact（）.
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
Compared to a low pressure system，generally the air in a high is（）.
Denebola is found in what constellation?（）
Compared to internal structural plating，the exterior hull plating on a ship is usually（）.
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.
Corrosive liquids and acids should have which kind of label?（）
Chart legends which indicate a conspicuous landmark are printed in（）.
Clean air standards referred to as “Grade D” apply to compressed air for use in（）.