·胎盘早期剥离[premature separation of placenta (placental abruption)] ·胎盘部分残留[placenta remnants] ·胎盘滞留[retention of placenta] ..
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residue of placental debris
... residue of diseased plant ==> 被害残株 residue of placental debris ==> 胎盘部分残留 residue on (the) sieve ==> 筛剩残渣 ...
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