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双胎一产和二产之间窒息的发生率无明显差异;
There are no significance of difference of asphyxia rate between first delivery and second delivery of the twins.
youdao
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双胎一产和二产之间窒息的发生率无明显差异;
There are no significance of difference of asphyxia rate between first delivery and second delivery of the twins.
youdao