 |
| |||
| gascarburization; gascarburizing | |||
| gas carburization; gaseous carburizing; cementation by gases (法); gaseous carburization | |||
| gas carburizing | |||
| gas cementation | |||
| |||
| cementation by gases; gas carburizing | |||
| |||
| gas carburizing | |||
| 气体渗碳: 20 phrases in 5 subjects |
| Automobiles | 1 |
| Compressors | 1 |
| Metallurgy | 11 |
| Technology | 6 |
| Wind Energy | 1 |