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| 气体循环式热处理炉 | |||
| 旋涡熔炼炉 | |||
| 旋风炉; 气旋炉 | |||
| cyclone furnace: 10 phrases in 4 subjects |
| Electronics | 3 |
| Metallurgy | 3 |
| Nonferrous industry | 2 |
| Technology | 2 |
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