| • echo sounding method | |
| मापन: measurement survey measuring scale metage measure | |
| विधि: act regularity regulation rite rule ceremony fate | |
प्रतिध्वनिक मापन विधि अंग्रेज़ी में
[ pratidhvanik mapan vidhi ]
| • echo sounding method | |
| मापन: measurement survey measuring scale metage measure | |
| विधि: act regularity regulation rite rule ceremony fate | |
