Kuv ntseeg tias thaum koj pib nrog cov khoom siv mloog lus, koj yuav pom qhov tsis sib xws - channel, 48, 32, 24… Cov lej sib txawv txhais li cas?Ua ntej tshaj plaws, tus naj npawb ntawm cov channel yog qhov tseeb ib qho ntawm cov cim tseem ceeb los ntsuas qhov ua tau zoo ntawm kev hnov lus. Raws li qhia ...
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