How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,
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3 ~; l/ a% _% O" Ztvb now,tvbnow,bttvbAnyone know what software can I use to convert the 2 language RMVB to 1 language AVI?5.39.217.77:88986 c9 t7 i) F+ |0 A* O
5.39.217.77:88988 Y) l# V' M5 p7 i8 |: B
Thank you very much