单选题Bilge keels are fitted on ship to（）.Aassist in drydock alignmentBimprove the vessel's stabilityCprotect the vessel from slamming against piersDreduce the rolling of the vessel
单选题
Bilge keels are fitted on ship to（）.
A
assist in drydock alignment
B
improve the vessel's stability
C
protect the vessel from slamming against piers
D
reduce the rolling of the vessel
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