The aim of this dissertation was to develop propylene copolymer TJPP-2027 with high melt flow rate(MFR) and impact strength.是什么意思_The aim of this dissertation was to develop propylene copolymer TJPP-2027 with high melt flow rate(MFR) and impact strength.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句