 |
| |||
| sulfur retention (напр., в топке котла) | |||
| sulphur combination | |||
| связывание серы: 4 phrases in 2 subjects |
| Energy industry | 3 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| sulfur retention (напр., в топке котла) | |||
| sulphur combination | |||
| связывание серы: 4 phrases in 2 subjects |
| Energy industry | 3 |
| Natural resourses and wildlife conservation | 1 |