A.6~8天 B.9~11天 C.12~13天
A.5個(gè)大方格白細(xì)胞總數(shù) B.4個(gè)大方格白細(xì)胞總數(shù) C.5個(gè)中方格白細(xì)胞總數(shù)
A.小腸 B.真胃 C.瘤胃