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| nitrocarburizing | |||
| ammonia carburizing | |||
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氮 碳共渗 : 36 phrases in 9 subjects |
| Automobiles | 8 |
| Aviation | 1 |
| Compressors | 1 |
| Electronics | 1 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 19 |
| Space | 3 |
| Technology | 1 |
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