部分胎盘滞留
retention of placenra fragment
胎盘滞留不伴出血
Retained placenta without haemorrhage
胎盘胎膜残留
Retained placental fragment
retained placenta
变形胎盘细胞
Amoeboid blastodermic cell
侧前位胎盘
Placenta praevia partialis
Placenta praevia lateralis
超声波定位胎盘
ultrasonic localization of placenta
超细轮胎胎面胶粉
ultra -fine tyre rubber powder