In the presence of nitrogen or air, the thermal stability of PVDC/MEE nanocomposites was eliminated due to ammonium salt catalyzed reaction.是什么意思_In the presence of nitrogen or air, the thermal stability of PVDC/MEE nanocomposites was eliminated due to ammonium salt catalyzed reaction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句