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| sulphur dioxide (Alexander Demidov) | |||
| sulfur dioxide (tanya.stv) | |||
| ангидрид сернистый: 30 phrases in 14 subjects |
| Animal husbandry | 1 |
| Cement | 1 |
| Chemistry | 9 |
| Ecology | 3 |
| Forestry | 1 |
| Genetics | 1 |
| Inorganic chemistry | 2 |
| Makarov | 2 |
| Materials science | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Pest control | 2 |
| Technology | 3 |
| Textile industry | 2 |