һ.
ƶͨżķչƶͨ2G3G4Gչǰ5GĸӶȺͰȫҲԽԽߣƶⷽĽѶҲԽԽ
˾ƶͨļۣƳ2/3/4G֮Ƴ5Gⷽǵǰҵеļܹṩ2/3/4/5Gij֮һ
÷ɶƶͨϵͳտźŽвɼԭԻԭϢз¼Ŀվն˵Ŀվնźŵǿȣͼʽչʾûпӻ
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- ֧2G3G4G5GƶͨӪʽ
- ȽĿտźŲЧȷ
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