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【简答题】
n. [C] (mainly AmE) a small Y-shaped stick with a thin band of rubber across the top, used to throw stones
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皮皮学刷刷变学霸
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【单选题】楼梯段的踏步数应满足( )。
【单选题】Reserve buoyancy is the ().
A.
Unoccupied space below the waterline
B.
Volume of intact space above the waterline
C.
Excess of the buoyant force over the gravity force
D.
Difference in the buoyant force in salt and fresh waters
【单选题】Reserve buoyancy is the（）.
A.
unoccupied space below the waterline
B.
volume of intact space above the waterline
C.
excess of the buoyant force over the gravity force
D.
difference in the buoyant force in salt and fresh waters
【单选题】Which is an indication of reserve buoyancy ().
A.
Metacentric height
B.
Righting moment
C.
Rolling period
D.
Freeboard
相关题目：
【单选题】楼梯段的踏步数应满足( )。