Second, two typical samples of the (PS-g-PI)-b-PS comb-coil diblock copolymer with PS volume fraction close to 0.5 were investigated.是什么意思_Second, two typical samples of the (PS-g-PI)-b-PS comb-coil diblock copolymer with PS volume fraction close to 0.5 were investigated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句