| • soft coal | |
| मृदु: clement mitis non-strident strident tender | |
| कोयला: carbon coal collier brown coal lignite fuel | |
मृदु कोयला अंग्रेज़ी में
[ mrdu koyala ]
| • soft coal | |
| मृदु: clement mitis non-strident strident tender | |
| कोयला: carbon coal collier brown coal lignite fuel | |
