The initial split strength of absorbable ballon was 8.5Mpa, and 4.2Mpa 2 weeks later. It degraded absolutely in vitro 24 weeks later.是什么意思_The initial split strength of absorbable ballon was 8.5Mpa, and 4.2Mpa 2 weeks later. It degraded absolutely in vitro 24 weeks later.在线翻译_英语_读音_用法_例句