A.Bruce anchor
B.Dunn anchor
C.Hook anchor
D.Danforth anchor
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A.naphtha，vm and p
B.tridecanol
C.cottonseed oil
D.camphor oil
A.piperyline
B.motor gasoline
C.kerosene
D.mineral spirits
A.blowout
B.kick
C.gusher
D.flow
A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
A.observer's meridian
B.Greenwich meridian
C.body's meridian
D.zenith distance
最新試題
An example of a grade C product is（）.
All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
All of the following are part of the fire triangle EXCEPT（）.
An airplane should NOT send which signal in reply to a surface craft?（）
An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）
All Loran-C transmitting stations are equipped with cesium frequency standards which permit （）.
All personnel on board a vessel should be familiar with the rescue boat’s（）.
An icebreaker may use the code letter “K” to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT（）.
An engine compartment gasoline fire requires which type of extinguisher?（）
AMVER is a system which provides（）.