專技普考-二等管輪輪機工程概要（包括推進裝置概要、輔機概要與輪機英文）104 年第 40 題單選題Fresh water is used to cool the cylinder jackets and of a marine diesel engine.Acylinder cover正確答案Bcylinder linerCpiston ringDexhaust manifold 答案與詳解
