 |
| |||
| seat guide (MichaelBurov); valve seat guide (MichaelBurov) | |||
| седло затвора: 30 phrases in 2 subjects |
| Machine components | 25 |
| Technology | 5 |
|
| |||
| seat guide (MichaelBurov); valve seat guide (MichaelBurov) | |||
| седло затвора: 30 phrases in 2 subjects |
| Machine components | 25 |
| Technology | 5 |