| |||
| 漂浮法检查粪便中的虫卵 | |||
| 浮选法 | |||
| 漂浮浓集法; 浮选浸出法; 菲勒本法 | |||
|
flotation method : 17 phrases in 3 subjects |
| Chemistry | 2 |
| Metallurgy | 1 |
| Technology | 14 |
| |||
| 漂浮法检查粪便中的虫卵 | |||
| 浮选法 | |||
| 漂浮浓集法; 浮选浸出法; 菲勒本法 | |||
|
flotation method : 17 phrases in 3 subjects |
| Chemistry | 2 |
| Metallurgy | 1 |
| Technology | 14 |