 |
| |||
| hardening in water; water hardening; quenching in water; quenching water | |||
| закалка охлаждением в воде: 4 phrases in 2 subjects |
| Mechanic engineering | 3 |
| Oil / petroleum | 1 |
|
| |||
| hardening in water; water hardening; quenching in water; quenching water | |||
| закалка охлаждением в воде: 4 phrases in 2 subjects |
| Mechanic engineering | 3 |
| Oil / petroleum | 1 |