| • dual channel radio system | |
| रेडियो: radio radio set radio receiver radiogeology | |
| पद्धति: method | |
द्विसरणी रेडियो पद्धति अंग्रेज़ी में
[ dvisarani rediyo padhati ]
| • dual channel radio system | |
| रेडियो: radio radio set radio receiver radiogeology | |
| पद्धति: method | |
