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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18. The type of traps is suited at the steam piping of high pressure. And the trap consists of a disc and set ring. Which trap is above description?
(A) Magnetic traps
(B) Mechanical traps
(C) Thermodynamic traps
(D) Vacuum traps


18. The type of traps is suited at the s..-阿摩線上測驗