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| 氧化亚…; 低价氧化物 | |||
| 氧化亚某 | |||
| 氧化亚物; 低价氧化物 | |||
| 低氧化物 | |||
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protoxide : 13 phrases in 7 subjects |
| Chemistry | 5 |
| Electronics | 1 |
| Food service and catering | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Steel production | 1 |
| Technology | 3 |
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