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derricking (крана) | |||
downward travel of jib; derricking (крана, экскаватора) | |||
boom down; boom lower; boom lowering |
опускание стрелы: 29 phrases in 9 subjects |
Building structures | 1 |
Construction | 3 |
General | 3 |
Makarov | 3 |
Mechanic engineering | 5 |
Nautical | 1 |
Shipbuilding | 1 |
Technology | 11 |
Transport | 1 |