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| gas purification | |||
| gas scrubbing | |||
| gas sweetening | |||
| gas clean-up | |||
| gas purification Removal of pollutants or contaminants from waste incineration or other combustion processes (废物焚化或其他燃烧过程中，去除污染物和有毒废物。) | |||
| gas cleansing; purification of gas | |||
| gas purging | |||
| gas purge; gas purifying; gas treatment | |||
| gas cleaning | |||
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| gas scrubbing | |||
| 气体净化: 80 phrases in 11 subjects |
| Aviation | 2 |
| Chemistry | 2 |
| Earth sciences | 1 |
| Ecology | 2 |
| Electronics | 10 |
| Environment | 1 |
| Metallurgy | 27 |
| Nautical | 1 |
| Oil / petroleum | 6 |
| Oil processing plants | 2 |
| Technology | 26 |