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| square elbow (фитинг) | |||
| square elbow (трубы) | |||
| frame angle (рамного шпангоута); frame bar (рамного шпангоута) | |||
| machinist square (MichaelBurov); engineer square (MichaelBurov); engineers' square (MichaelBurov); framing square (MichaelBurov); steel framing square (MichaelBurov); machinists' square (MichaelBurov) | |||
| прямой угольник: 10 phrases in 7 subjects |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Pipelines | 2 |
| Shipbuilding | 1 |
| Technology | 1 |
| Transport | 1 |