（）water is the water in the hold to keep the ship’s stability.<br>A:Bilge<br>B:Ballast<br>C:Slop<br>D:Sanitary

（）water is the water in the hold to keep the ship’s stability.
A:Bilge
B:Ballast
C:Slop
D:Sanitary

出自：海船船员证

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