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| 科特雷尔静电沉降器 | |||
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| 科特雷尔型静电集尘器 | |||
| 科特雷尔静电集尘器; 科特雷尔除尘器; 静电除尘器; 柯垂尔静电除尘器 | |||
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| 科特雷尔除尘器 | |||
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cottrell precipitator : 9 phrases in 3 subjects |
| Ecology | 1 |
| Metallurgy | 2 |
| Technology | 6 |
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