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коэффициент трения: 43 phrases in 13 subjects |
Astronautics | 1 |
Aviation | 6 |
Construction | 3 |
Hydraulic engineering | 4 |
Mechanic engineering | 10 |
Metallurgy | 1 |
Mining | 2 |
Natural resourses and wildlife conservation | 2 |
Physics | 2 |
Technology | 6 |
Textile industry | 1 |
Tribology | 1 |
Trucks/Lorries | 4 |