A.手背和前臂静脉 1-95ml/min B.肘部和上臂静脉 100-300ml/min C.锁骨下静脉 0.5-1L/min D.上腔静脉 2-2.5L/min
A.头静脉 6MM B.贵要静脉 8MM C.锁骨下 19MM D.上腔静脉 20MM
A.头静脉 B.肘正中静脉 C.贵要静脉 D.手背静脉