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| jet-pipe mouth; nozzle mouth | |||
| nozzle opening | |||
| 喷管口: 47 phrases in 12 subjects |
| Architecture | 1 |
| Aviation | 8 |
| Chemistry | 1 |
| Construction | 1 |
| Economy | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Space | 12 |
| Steel production | 1 |
| Technology | 15 |
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