The main topic of this paper is to describe the basic principles of the hammering method and problems about vibration characteristic measurements of the rotor of a 4000 HP gas turbine by using this method.是什么意思_The main topic of this paper is to describe the basic principles of the hammering method and problems about vibration characteristic measurements of the rotor of a 4000 HP gas turbine by using this method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句