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| द्वि: double acting double helical gear double |
| द्वि घात: quadric द्वि double acting double helical |
| द्वि घात समीकरण: equation of second degree quadratic equation |
| द्वि: double acting double helical gear double |
| द्वि घात: quadric द्वि double acting double helical |
| द्वि घात समीकरण: equation of second degree quadratic equation |
| घात: ambuscade ambush machination manoeuvre trap |
| समीकरण: equation naturalization equalization |
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