How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,3 Z# U0 C6 N+ ?+ }5 |( P: D
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Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?公仔箱論壇$ V$ m  B2 |2 m! k7 S, V0 N* u  _
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Thank you very much