| • deep mined coal production | |
| गभीर: bathyl deep sea deposit deep seated profunda | |
| कोयला: carbon coal collier brown coal lignite fuel | |
| उत्पादन: manufacture making elaboration product produce | |
गभीर खनित कोयला उत्पादन in English
[ gabhir khanit koyala utpadan ] sound:
