Bilge keels are fitted on ships to（）.<br>A:assist in drydock alignment<br>B:improve the vessel's stability<br>C:protect the vessel from slamming against piers<br>D:reduce the rolling of the vessel

Bilge keels are fitted on ships 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

出自：海船船员证

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