Physical properties and biodegradability of copolyester varied with chain length of aliphatic polyester segment and atacticity of copolyester.是什么意思_Physical properties and biodegradability of copolyester varied with chain length of aliphatic polyester segment and atacticity of copolyester.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句