The fold surface free energy of the developing crystals of PHBV isothermally crystallized from melt decreased,however,the relative degree of crystallization,the linear growth rate of spher...是什么意思_The fold surface free energy of the developing crystals of PHBV isothermally crystallized from melt decreased,however,the relative degree of crystallization,the linear growth rate of spher...在线翻译_英语_读音_用法_例句