震荡区间分层，南方航空，历史低点附近做多，震荡区间下边界支撑位置附近
震荡区间分层，下面震荡区间结束，
上面单独再开个震荡区间，下边界支撑位置附近做多
上面单独再开个震荡区间，下边界支撑位置附近做多
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