• pitch coal • specular coal | |
पिच: bowling green bowling-green pitch | |
कोयला: carbon coal collier brown coal lignite fuel | |
पिच कोयला अंग्रेज़ी में
[ pic koyala ]
• pitch coal • specular coal | |
पिच: bowling green bowling-green pitch | |
कोयला: carbon coal collier brown coal lignite fuel | |