EXPERIMENTAL INVESTIGATIONS OF ATOMIC OXYGEN, TEMPERATURE, ULTRAVIOLET RADIATION EFFECTS ON A SPACECRAFT MATERIAL-POLYTETRAFLUOROETHYLENE是什么意思_EXPERIMENTAL INVESTIGATIONS OF ATOMIC OXYGEN, TEMPERATURE, ULTRAVIOLET RADIATION EFFECTS ON A SPACECRAFT MATERIAL-POLYTETRAFLUOROETHYLENE在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句