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Terms for subject Oil / petroleum containing double-column | all forms | exact matches only | in specified order only
| English | Chinese |
| double fractionation column | 双柱分馏塔 (或器) |
| double column run | 双管试验 |
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| English | Chinese |
| double fractionation column | 双柱分馏塔 (或器) |
| double column run | 双管试验 |