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струя песка | |||
абразивная струя |
jet de sable: 25 phrases in 9 subjects |
Aviation | 1 |
Hydraulic engineering | 3 |
Mechanic engineering | 6 |
Metallurgy | 7 |
Natural resourses and wildlife conservation | 2 |
Oil and gas technology | 2 |
Polygraphy | 2 |
Technology | 1 |
Welding | 1 |