????????????2????21????? ???,?????????20??????????????,??,???“?????????????”?????????????
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?????????????????10?????
???????????80?????????
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??:???????????????????
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???????150????
?????????????????????
?????3???????????????
??:?????????????????30%
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??2G?3G???????????
????14:????????????
??????136??????????????
62?????????????????????
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??:?????????????????30%
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??????????????36?????
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??????:?8050??,22??????