Thermocline is important for submarine in underwater navigation and action. 溫躍層對於潛艇的水下航行和戰鬥具有十分重要的意義。
In this paper the torsional vibration problems of the propulsion shaft system of the underwater craft were discussed. 主要討論以擺盤式活塞發動機作為其主機的某水下航行裝置推進軸系的扭轉振動問題。
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