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supply and exhaust ventilation system (Elina Semykina) | |||
balanced system of ventilation |
система приточно-вытяжной вентиляции : 10 phrases in 7 subjects |
Architecture | 1 |
Aviation | 1 |
Construction | 1 |
General | 1 |
Technology | 3 |
Ventilation | 2 |
Weapons of mass destruction | 1 |