30.柴油機船輪機日誌的『M.V.』其英文全文為:
(A)master vessel
(B)motor victory
(C)master victory
(D)motor vessel
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統計: A(10), B(3), C(6), D(32), E(0) #1209053
統計: A(10), B(3), C(6), D(32), E(0) #1209053