Filter by: Subject
Зараз показуються 1-10 з 1
cone of influence (1) |
conveyor belt (1) |
deep lignite deposits (1) |
dragline (1) |
dredger (1) |
hopper loader (1) |
mined system (1) |
rational mined zones (1) |
watered horizons (1) |
бункер-перевантажувач (1) |