 |
| |||
| приточно-вытяжная вентиляция (balanced ventilation: heating, ventilating and air conditioning) | |||
| forced -air-exhaust ventilation: 2 phrases in 1 subject |
| Weapons of mass destruction | 2 |
|
| |||
| приточно-вытяжная вентиляция (balanced ventilation: heating, ventilating and air conditioning) | |||
| forced -air-exhaust ventilation: 2 phrases in 1 subject |
| Weapons of mass destruction | 2 |