 |
| |||
| by-product sulphur (MichaelBurov); by-product sulfur (MichaelBurov); byproduct sulphur (MichaelBurov); byproduct sulfur (MichaelBurov) | |||
| побочное производство серы: 5 phrases, 1 sujets |
| Usines de transformation du pétrole | 5 |
|
| |||
| by-product sulphur (MichaelBurov); by-product sulfur (MichaelBurov); byproduct sulphur (MichaelBurov); byproduct sulfur (MichaelBurov) | |||
| побочное производство серы: 5 phrases, 1 sujets |
| Usines de transformation du pétrole | 5 |