短語詞組短語fetal blood circulation 胎兒血循環(huán);第一節(jié)fetal l circulation 胎兒循環(huán)fetal blood circulation detail 胎兒血循環(huán)Fetal venous circulation 胎兒靜脈循環(huán)Persistent Fetal Circulation Syndrome 持續(xù)性胎兒循環(huán)綜合征embrvonic circulation Fetal circulation 胎體循環(huán)persistence fetal circulation 持續(xù)性胎兒循環(huán)persistent fetal circulation 持續(xù)胎兒循環(huán);持續(xù)性胎兒循環(huán);持續(xù)胎兒流通;稱持續(xù)胎兒循環(huán)Fetal circulation Embryonic circulation 胎體循環(huán) 返回 fetal circulation