40.柴油機船輪機日誌中的『L.O.』,其英文全文為何?
(A) Lubricating oil
(B)Loss oil
(C)Low pressure oil
(D)Lower oil
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統計: A(40), B(0), C(0), D(0), E(0) #1220464
統計: A(40), B(0), C(0), D(0), E(0) #1220464