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| 吸氧; 氧的吸收 | |||
| 氧吸收 | |||
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oxygen absorption : 11 phrases in 6 subjects |
| Electronics | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Space | 1 |
| Technology | 3 |
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