21. __________ (COW) eliminates the use of water for tank cleaning and enables cargo residues to
be pumped ashore during discharge because cleaning is carried out simultaneously with the
discharge.
(A) Change Over Water
(B) Combat Operating Way
(C) Crude Oil Washing
(D) Centralised Operation Washing
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統計: A(153), B(47), C(673), D(224), E(0) #2105332
統計: A(153), B(47), C(673), D(224), E(0) #2105332