 |
| |||
| seat leakage (MichaelBurov); valve seat leakage (MichaelBurov) | |||
| утечка через седло: 8 do fraz, 1 tematyki |
| Technika i technologia | 8 |
|
| |||
| seat leakage (MichaelBurov); valve seat leakage (MichaelBurov) | |||
| утечка через седло: 8 do fraz, 1 tematyki |
| Technika i technologia | 8 |