The life of the PA6/69 block copolymer throughout randomization at 283C is computed to be 8 hours, which well agrees with the study of Allen.是什么意思_The life of the PA6/69 block copolymer throughout randomization at 283C is computed to be 8 hours, which well agrees with the study of Allen.在线翻译_英语_读音_用法_例句