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| 筛板塔; 多孔板分馏塔 | |||
| 多孔板蒸馏塔 | |||
| 在孔眼上包网状衬垫的穿眼管柱; 多层孔板蒸馏塔 | |||
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| 多层孔板分馏，蒸馏塔; 筛板塔; 多层孔板蒸馏塔 | |||
| perforated-plate column: 7 phrases in 4 subjects |
| Chemistry | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Technology | 1 |
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