A carbon foam was prepared from petroleum mesophase pitch in a high pressure/high temperature reactor by self-bubbling of volatile gas and infiltration of nitrogen at high pressure.是什么意思_A carbon foam was prepared from petroleum mesophase pitch in a high pressure/high temperature reactor by self-bubbling of volatile gas and infiltration of nitrogen at high pressure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句