 |
| |||
| hardening tank; hardening trough; quench bath; quenching bath; quench tank; quenching tank; hardening bin | |||
| quenching trough | |||
| 淬火槽: 12 phrases in 2 subjects |
| Metallurgy | 6 |
| Technology | 6 |
|
| |||
| hardening tank; hardening trough; quench bath; quenching bath; quench tank; quenching tank; hardening bin | |||
| quenching trough | |||
| 淬火槽: 12 phrases in 2 subjects |
| Metallurgy | 6 |
| Technology | 6 |