трёхступенчатая система | |
econ. | three-tier system |
фильтрация воздуха | |
construct. | air leak; air leakage |
energ.ind. | air-filtering |
| |||
three-tier system |
трёхступенчатая система: 6 phrases in 3 subjects |
Automated equipment | 1 |
Energy industry | 4 |
Food industry | 1 |