A.yaw joint
B.sway joint
C.slip joint
D.flex or ball joint
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A.lay
B.lies
C.being lain
D.lying
A.frostbite
B.skin burns
C.asphyxiation
D.an explosive reaction
A.sheer strake
B.bilge strake
C.garboard strake
D.keel rib
A.hydraulic system
B.pneumatic system
C.spare battery
D.hand crank
A.fever and thirst
B.nausea and dizziness
C.stomach cramps and diarrhea
D.reddening of skin and hives
最新試題
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.
On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.
The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.
The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
The lifeboat releasing gear lever should be marked with the words（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
In order for combustion to occur inside a piping system such as a vapor collection header in a marine emmission control system，there must be（）.
The device that allows a floating ship to sway without bending the marine riser system is the（）.
Symptoms of sea sickness include（）.