三星a5怎么设置只用4g网络

页面:/news/view-721690/ | 耗时:0.2787 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
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select * from tbl_Articles_data WHERE ArticleID=721690 LIMIT 0,1
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