| • double button carbon microphone | |
| द्वि: double acting double helical gear double | |
| कार्बन: carbon | |
द्वि -बटन कार्बन माइक्रोफेन in English
[ dvi -batan karban maikrophen ] sound:
| • double button carbon microphone | |
| द्वि: double acting double helical gear double | |
| कार्बन: carbon | |
