Mahsulot tavsifi
This lesson covers the history, structure, and operation principles of ballast cleaning machines used in railway transport to improve efficiency and stability of railroads
#tozalovchi#temir yo'l#ballast
Muallif
PRO TALABATasdiqlangan muallif
- Hujjatlari
- 116 840
- Sotilgan
- 2 818
