The friction surfaces of the friction pair consisting of the semimetallic frictionmaterial and cast iron were examinated by scanning electron microscopy(SEM)and energydispersive analysis of X-ray(EDX).是什么意思_The friction surfaces of the friction pair consisting of the semimetallic frictionmaterial and cast iron were examinated by scanning electron microscopy(SEM)and energydispersive analysis of X-ray(EDX).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句