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| 水合氧化物; 氢氧化物 | |||
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| 氢氧化物 | |||
| гидрат о́киси: 15 phrases in 6 subjects |
| Chemistry | 1 |
| Cinema equipment | 1 |
| Electronics | 2 |
| Metallurgy | 1 |
| Technology | 9 |
| Textile industry | 1 |
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