輪機工程(概要)(包括推進裝置、輔機與輪機英文)題庫下載題庫

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26.A dirty oil filter element is usually checked out by .
(A)visual inspection of the elements
(B)the pressure drop across the filter
(C)high lube oil sump temperature
(D)the decrease of oil viscosity from the filter


26.A dirty oil filter element is usually..-阿摩線上測驗