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| wall tubes (Kirsta) | |||
| radiant-section tubes (в трубчатой печи); radiant section tubes (в трубчатой печи) | |||
| waterwall tubes | |||
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| water wall tube | |||
| furnace tube; waterwall tube; water-wall tube | |||
| furnace-wall tube; wall tube; water tube | |||
| экранные трубы: 11 phrases in 2 subjects |
| Electronics | 1 |
| Energy industry | 10 |