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пробойник блочного типа (aivanov) |
bar breaker : 15 phrases in 13 subjects |
Aviation | 1 |
Chemistry | 1 |
Electrical engineering | 1 |
Hydrology | 1 |
Mechanics | 1 |
Military | 1 |
Mining | 1 |
Oil / petroleum | 1 |
Polymers | 1 |
Silicate industry | 2 |
Technology | 2 |
Textile industry | 1 |
Transport | 1 |