| • vacuum spectrograph | |
| निर्वात: vacuum exhaust vaccum vacuo sultry | |
| स्पेक्ट्रमलेखी: spectrograph | |
निर्वात स्पेक्ट्रमलेखी in English
[ nirvat spektramalekhi ] sound:
| • vacuum spectrograph | |
| निर्वात: vacuum exhaust vaccum vacuo sultry | |
| स्पेक्ट्रमलेखी: spectrograph | |
