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單項(xiàng)選擇題

The TPC curve,one of the hydrostatic curves in a vessel’s plans,gives the number of tons().

A.necessary to change the angle of list 1°at a given draft
B.necessary to change trim 1 cm at a given draft
C.pressure per square cm on the vessel's hull at a given draft
D.necessary to further immerse the vessel 1 cm at a given draft

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