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| 氧垂曲线; 氧下垂曲线 | |||
| 减氧曲线 | |||
| 溶氧下垂线 | |||
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| 氧下垂曲线; 溶解氧下跌曲线; 氧垂曲线 | |||
| oxygen sag curve: 4 phrases in 2 subjects |
| Chemistry | 1 |
| Technology | 3 |
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