胎盘的作用是什么

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/13 01:57:27
xV[rHJoJE6J2c=lB{ItœV+5U*P>9t}2Uiv6b"Z3u菿O;i%/S"+,WA;69b8/YX&s[Љtg^PciRCv4[nU<ژ{*f?OPIOVΐ9u'͟:d/EϢFQ "NIDzۗAft\Je|ٷvs#Y a92FBCg+l$8z#:Z.5(x^'x}Q'dRIbfΫZt -{Be|%ja q|yC 3tUQ]qM멄iʟ2]ܖ]C:ݙ@khjắr 1]FC8An!͡W¹ #;64~;1":*Wk)V+J t+; H CCT$KRp~2i]=NQT t%,<%LэDP"dSfF*\eQw. [Țiê6٘ l=}o/=o\ o*vzYLsJc4caz|9|S-uFݐm lnAƆ@t-Pt80EaMd$zD1"B[)J#.p߳Fhk~ !.lRf v mЫq#m|F)BuBz&I7ՖE{Ǡ{μuHw[ȴMi_Cw(*]Ĭ٫=N9{j'e*i`.`pMgijpΰwDA\` 7( w4͂]G5wJw$Tcuș,۝8We?iWJSlyhڢIs}g oɿsZz=al{}HZ3p ,TO){5Dzonw :ȋg#^mܩiE\x<:yaA `p^V{%[c+صy󄹚zTF$.ppCqQ@*9Bݯx._|z Kt& I8C| Oԉ>ePqy";<8!?Jg<`>8 $E SOs2נI<>x y[ul]ߟ~Nλ