A.5.5~6.0 B.6.4~6.8 C.6.2~7.2 D.7.0~7.5 E.7.5~8.0
A.肘部靜脈 B.外踝靜脈 C.股靜脈 D.腘靜脈 E.手背靜脈
A.宮頸型外底層細(xì)胞 B.產(chǎn)后型外底層細(xì)胞 C.萎縮型外底層細(xì)胞 D.化生型外底層細(xì)胞 E.妊娠期中層細(xì)胞