A.小于2ml B.小于3ml C.小于4ml D.小于5ml E.小于1ml
A.華支睪吸蟲卵 B.肺吸蟲卵 C.血吸蟲卵 D.姜片蟲卵 E.鉤蟲卵
A.血吸蟲卵 B.蟯蟲卵 C.蛔蟲卵 D.鉤蟲卵 E.絳蟲卵