单项选择题
Longitudinal and transverse separtions between the tanks,which are used to prevent liquids from leaking from one double bottom tank into the other ,are called（）.
A.double bottoms
B.cofferdam
C.navigating bridge
D.superstructure
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相关考题
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单项选择题
（）provides strength and strong space for fule,lubricating oil,fresh water,salt(ballast)water and potable water.
A.The double bottom
B.The cofferdam
C.The navigating bridge
D.The superstructure -
单项选择题
The formost and aftermost spaces of the vessel are the（）.
A.forecastle
B.tweendeck
C.hatches
D.peak tanks -
单项选择题
Access to a hold can be obtained throuth（）.
A.forcastle
B.tweendeck
C.hatches
D.peak tanks
