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замкнутый трубопровод; кольцевой трубопровод | |||
кольцевая труба |
ring pipe : 25 phrases in 12 subjects |
Construction | 3 |
Drilling | 2 |
Energy industry | 1 |
General | 2 |
Geology | 1 |
GOST | 1 |
Mechanic engineering | 1 |
Military | 1 |
Mining | 4 |
Oil / petroleum | 6 |
Oil and gas technology | 2 |
Welding | 1 |