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углерод | |||
карбонадо (чёрный технический алмаз) |
carbon : 30 phrases in 14 subjects |
Agriculture | 2 |
Aviation | 1 |
Chemistry | 5 |
Electronics | 2 |
Forestry | 3 |
General | 1 |
Geology | 5 |
Metallurgy | 5 |
Oil / petroleum | 1 |
Physics | 1 |
Polygraphy | 1 |
Radio | 1 |
Resins | 1 |
Technology | 1 |