部分胎盘滞留
retention of placenra fragment
胎盘滞留不伴出血
Retained placenta without haemorrhage
频隙滞留
frequency stay
frequency slots lingering
浓缩物滞留箱
concentrates holding tank
concentrate hold-up tank
凝胶滞留EMSA
electrophoretic mobility shift assay EMSA
脑滞留机制
cerebral retention mechanism