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| серноватистая кислота | |||
| гипосернистая кислота; подсернистая кислота | |||
| водородосернистая кислота; гидросернистая кислота (旧俄文名) | |||
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连二亚硫酸 : 16 phrases in 3 subjects |
| Chemistry | 3 |
| General | 2 |
| Technology | 11 |
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