单项选择题
A.155~175mlB.165~185mlC.175~195mlD.175~190ml
A.0.5~1.5L/minB.0.5~1.0L/minC.1.5~2.0L/minD.1.5~2.5L/min
A.1.5~2.5L/minB.2~3.5L/minC.2.5~3.5L/minD.3~4.5L/min