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| 渗碳氮处理 | |||
| 气体碳氮共渗; 氢化 | |||
| 碳氮共渗; 氰化 | |||
| 碳氮共渗 (一种表面处理工艺) | |||
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carbonitriding : 6 phrases in 2 subjects |
| Automobiles | 3 |
| Metallurgy | 3 |
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