The size of PS microspheres was about 2.1~2.4 times of thepore size of SPG membrane, and was slightly bigger with a higher PSconcentrations.是什么意思_The size of PS microspheres was about 2.1~2.4 times of thepore size of SPG membrane, and was slightly bigger with a higher PSconcentrations.在线翻译_英语_读音_用法_例句