9. MARPOL 73/78公約附則IV對船舶簽發何類證書?
(A) IOPP
(B) IAPP
(C) NLS
(D) ISPP
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統計: A(58), B(40), C(50), D(432), E(0) #2814784
統計: A(58), B(40), C(50), D(432), E(0) #2814784