3. What size of crude oil tanker shall be fitted with COW (Crude Oil Washing) system?
(A) 20,000 dwt and above.
(B) 40,000 dwt and above.
(C) 80,000 dwt and above.
(D) 100,000 dwt and above.
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統計: A(282), B(98), C(31), D(99), E(0) #3136140
統計: A(282), B(98), C(31), D(99), E(0) #3136140