单项选择题
A.0-0.5L/min B.0.5-1L/min C.1-1.5L/min. D.1.5-2L/min
A.100-300ml/min. B.50-99ml/min. C.300-350ml/min. D.D.350-480ml/min.
A.1-95ml/min. B.96-105ml/min. C.106-110ml/min. D.111-120ml/min.
A.≥5ml B.＜10ml C.≥10ml D.﹥5ml
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