Topside icing that blocks freeing ports and scuppers（）.<br>A:is usually below the center of gravity and has little effecton stability<br>B:will cause water on deck to pocket and increase stability<br>C:may decrease stability by increasing free surface effect due to water on deck<br>D:increases the effective freeboard and increases thewind-heel affect

Topside icing that blocks freeing ports and scuppers（）.
A:is usually below the center of gravity and has little effecton stability
B:will cause water on deck to pocket and increase stability
C:may decrease stability by increasing free surface effect due to water on deck
D:increases the effective freeboard and increases thewind-heel affect

出自：海船船员证

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