【单选题】
A321组件流量可由经济按钮选择来提供几种流量？___
A. A.经济流量、正常流量（120%的经济流量）
B. B.高流量、正常流量、低流量
C. C.经济流量、正常流量（120%经济流量），最大流量（高流量）
D. D.可连续调节多种流量
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答案
A
解析
暂无解析
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