| |||
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 |