19.柴油機船輪機日誌的『推進器直徑』其英文全文為:
(A)Propeller pitch
(B)Propeller radius
(C) Propeller diameter
(D)Propeller blade
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統計: A(4), B(4), C(28), D(0), E(0) #1220443
統計: A(4), B(4), C(28), D(0), E(0) #1220443