单选题Reserve buoyancy is().Aalso called GMBthe void portion of the ship below the waterline which is enclosed and watertightCaffected by the number of transverse watertight bulkheadsDthe watertight portion of a vessel above the waterline
单选题
Reserve buoyancy is().
A
also called GM
B
the void portion of the ship below the waterline which is enclosed and watertight
C
affected by the number of transverse watertight bulkheads
D
the watertight portion of a vessel above the waterline
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