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压缩气 瓶 : 22 phrases in 13 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Compressors | 2 |
| Exhibitions | 1 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Refrigeration | 1 |
| Space | 1 |
| Submarines | 2 |
| Technology | 7 |
| Textile industry | 1 |
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