 |
| |||
| 表面掺碳硬化 | |||
| 表面掺碳硬化的 | |||
| 硬化表面层 | |||
| 表面渗碳硬化 | |||
| 硬化表面 | |||
| |||
| 表面掺碳硬化; 表面渗碳硬化 | |||
| 表面掺碳硬化的 | |||
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hardened case : 50 phrases in 15 subjects |
| Architecture | 5 |
| Automobiles | 4 |
| Aviation | 2 |
| Business | 1 |
| Compressors | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Fish farming pisciculture | 1 |
| General | 3 |
| Mechanics | 3 |
| Metallurgy | 12 |
| Rail transport | 2 |
| Steel production | 1 |
| Technology | 10 |
| Wind Energy | 2 |
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