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| 分批蒸馏; 间歇蒸馏 | |||
| 间歇式蒸馏 | |||
| batch distillation: 8 phrases in 5 subjects |
| Chemistry | 3 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
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