 |
| |||
| 填充蒸馏塔; 填充蒸馏塔 | |||
| 填充蒸憾塔 | |||
| 填料柱 | |||
| 充填柱; 人造岩心; 填料塔 | |||
| 填充粒 | |||
| 填充塔; 填充柱 | |||
|
packed column : 36 phrases in 5 subjects |
| Automobiles | 1 |
| Chemistry | 6 |
| Metallurgy | 3 |
| Oil / petroleum | 11 |
| Technology | 15 |
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