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flange union (A pair of flanges that are screwed to the ends of pipes and then bolted or welded together to hold two pipes together  answers.com) Alexander Demidov); pipe neck (Aleks_Teri) | |||
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| фланцевый патрубок: 3 phrases in 3 subjects |
| Construction | 1 |
| Mechanics | 1 |
| Oil and gas | 1 |