A.sheer strake
B.bilge strake
C.garboard strake
D.keel rib
您可能感興趣的試卷
你可能感興趣的試題
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
A.cold and moist skin，high body temperature
B.cold and dry skin，low body temperature
C.hot and moist skin，high body temperature
D.hot and dry skin，high body temperature
A.vomiting
B.blue color and lack of breathing
C.irregular breathing
D.unconsciousness
A.under no conditions
B.at a maximum rate of two ounces per day
C.if gathered during or immediately after a hard rain
D.after mixing with an equal quantity of fresh water
最新試題
Once you have established the daily ration of drinking water in a survival situation，how should you drink it?（）
The lifeboat releasing gear lever should be marked with the words（）.
On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
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（）.
In painting a lifeboat following its overhaul，which parts must be painted bright red?（）
The object of plugging holes below the waterline on a ship should be to（）.
The bottom row of plating next to the keel of a lifeboat is known as the（）.
The most effective first aid treatment for chemical burns is to immediately（）.