 |
| |||
| packed distillation column | |||
| packed tower; packing column | |||
| packed column | |||
| |||
| packed column | |||
| packed distillation column | |||
| |||
| packed column | |||
|
填充 塔 : 36 phrases in 7 subjects |
| Animal husbandry | 1 |
| Chemistry | 3 |
| Construction | 1 |
| Metallurgy | 10 |
| Oil / petroleum | 4 |
| Refrigeration | 1 |
| Technology | 16 |
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