Results The material cause of postpartum hemorrhage is uterine inertia(71.43%),placenta factor(15.18%),laceration of birth canal(11.61%).是什么意思_Results The material cause of postpartum hemorrhage is uterine inertia(71.43%),placenta factor(15.18%),laceration of birth canal(11.61%).在线翻译_英语_读音_用法_例句