脐带横断面示意图. 展示了脐动脉(Umbilical
%B0%FC%DA%41%B3%E9%B6%FE%8F%88%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
%B0%FC%DA%41%B3%E9%B6%FE%8F%88%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
%B0%FC%DA%41%B3%E9%B6%FE%8F%88%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
%B0%FC%DA%41%B3%E9%B6%FE%8F%88%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
智能自動報牌靴合作


