выемка столба глухими заходками | |
mining. | pillar splitting |
с | |
gen. | offering; the size of; from; from; from; to |
el. | centi-; second |
оставление целика | |
mining. | barrier establishing |
| |||
pillar splitting | |||
| |||
pocketing |
выемка столбов глухими заходками: 5 phrases in 1 subject |
Mining | 5 |