10. The distance between oil surface and the sounding position shall be named as:
(A) Ullage
(B) Innage
(C) Dunnage
(D) Tonnage
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統計: A(449), B(76), C(85), D(68), E(0) #2999684
統計: A(449), B(76), C(85), D(68), E(0) #2999684