HFD-02 is used to prevent and remove scale of the material system for wax oil hydrogenation and residual oil hydrogenation.是什么意思_HFD-02 is used to prevent and remove scale of the material system for wax oil hydrogenation and residual oil hydrogenation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句