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4G??????????
来源：Wintop发布日期：2015-01-04 10:52:00
????????????????????????4G??????????????????????????1G\2.5G??????????????????????6G\10G??????4G???4G???????????(4G???4G?????????4G????90%??)?4G???????10G????????????????????????????????????????????4G????????4-6??????????????6G/10G??????????30%??????????????
??????????????1213????????3?1?6?
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