The shaft transmission stability is one of important requirements of ship propulsive shafts.However, the shaft vibration is excited when the impact force is operated on the shafts.是什么意思_The shaft transmission stability is one of important requirements of ship propulsive shafts.However, the shaft vibration is excited when the impact force is operated on the shafts.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句