Mahsulot tavsifi
The complex process of transporting coal extracted from coal mines to the surface from gravity chutes involves several stages. It is a simple and cost-effective method of transporting coal using gravity force
#transport jarayoni#ko‘mir konlari#gravitatsion transport
Muallif
Xaridor 348140Tasdiqlangan muallif
- Hujjatlari
- 102
- Sotilgan
- 6
