| • double contact key | |
| द्वि: double acting double helical gear double | |
| संपर्क: connection intromission infection affiliation | |
द्वि संपर्क कुंचिका अंग्रेज़ी में
[ dvi samparka kumcika ]
| • double contact key | |
| द्वि: double acting double helical gear double | |
| संपर्क: connection intromission infection affiliation | |