27.艙底水測探水深2公尺。
(A)Ballast water sounding is 2 meters.
(B)Fresh water sounding is 2 meters.
(C)Fuel sounding is 2 meters.
(D)Slop sounding is 2 meters.

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統計: A(38), B(6), C(4), D(3), E(0) #1201418