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排烟 烟囱 : 61 phrases in 10 subjects |
| Chemistry | 1 |
| Consulting | 1 |
| Ecology | 1 |
| Electronics | 12 |
| Hydroelectric power stations | 2 |
| Metallurgy | 15 |
| Refrigeration | 1 |
| Technology | 17 |
| Textile industry | 3 |
| Wind Energy | 8 |
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