| • hydraulic coal buster | |
| द्रवचालित: hydraulic | |
| कोयला: carbon coal collier brown coal lignite fuel | |
द्रवचालित कोयला प्रस्फोटक in English
[ dravacalit koyala prasphotak ] sound:
| • hydraulic coal buster | |
| द्रवचालित: hydraulic | |
| कोयला: carbon coal collier brown coal lignite fuel | |
