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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36. Do you know how about the _________ of this burnt out motor ?
(A) repairing cost
(B) repairing costs
(C) repair cost
(D) repair costs


36. Do you know how about the _________ ..-阿摩線上測驗