A fractured turbine blade was characterized by means of optical microscope, scanning electron microscope (SEM) and energy dispersion spectroscopy (EDS).是什么意思_A fractured turbine blade was characterized by means of optical microscope, scanning electron microscope (SEM) and energy dispersion spectroscopy (EDS).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句