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gas -supply system : 26 phrases in 14 subjects |
Apollo-Soyuz | 1 |
Astronautics | 3 |
Construction | 4 |
Economy | 1 |
Electronics | 4 |
Energy industry | 1 |
General | 3 |
Makarov | 1 |
Medical appliances | 1 |
Nuclear and fusion power | 1 |
Oil / petroleum | 2 |
Oil and gas | 2 |
Production | 1 |
Sakhalin | 1 |