为什么华为手机一直显示2G网络

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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(474785,342147,429706,271109,1123883,300631,138927,1097767,219440,922047,1098545,236482,1292680,1090338,206509,267897,1106755,228670,260787,2510570,1669537,108234,1079355,3235301,273149,152008,1093799,534739,1585055,267735) ORDER BY field (ArticleID,474785,342147,429706,271109,1123883,300631,138927,1097767,219440,922047,1098545,236482,1292680,1090338,206509,267897,1106755,228670,260787,2510570,1669537,108234,1079355,3235301,273149,152008,1093799,534739,1585055,267735)