Vertically below the deckline is a circle whose outside diameter is 300mm.It is called the（）.<br>A:the deck line<br>B:Plimsoll disc<br>C:Plimsoll line<br>D:summer load line

Vertically below the deckline is a circle whose outside diameter is 300mm.It is called the（）.
A:the deck line
B:Plimsoll disc
C:Plimsoll line
D:summer load line

出自：海船船员证

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