If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.<br>A:require ballast<br>B:be down by the head<br>C:sink<br>D:float

If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.
A:require ballast
B:be down by the head
C:sink
D:float

出自：海船船员证

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