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| |||
| 进气系统进气管; 进油水管 | |||
| 人口管 | |||
| 进口接管 | |||
| 进风管 | |||
| 引入管 | |||
| 进口管 | |||
| 进气管 | |||
| 进水管; 入口管 | |||
| inlet tube: 14 phrases in 8 subjects |
| Automobiles | 1 |
| Electronics | 1 |
| Exhibitions | 1 |
| Hydroelectric power stations | 3 |
| Metallurgy | 3 |
| Mining | 1 |
| Refrigeration | 1 |
| Technology | 3 |
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