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| комбинированная горелка (Например: A combination burner for selectively firing oil, natural gas and liquid propane DL) | |||
| combination burner: 2 phrases in 1 subject |
| Thermal engineering | 2 |
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| |||
| комбинированная горелка (Например: A combination burner for selectively firing oil, natural gas and liquid propane DL) | |||
| combination burner: 2 phrases in 1 subject |
| Thermal engineering | 2 |