 |
| |||
| 活性物质 | |||
| 活性剂 | |||
| active substance: 30 phrases in 12 subjects |
| Animal husbandry | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Metallurgy | 4 |
| Nautical | 1 |
| Polymers | 1 |
| Refrigeration | 1 |
| Space | 2 |
| Sports | 1 |
| Technology | 9 |
| Water resources | 7 |
|
| |||
| 活性物质 | |||
| 活性剂 | |||
| active substance: 30 phrases in 12 subjects |
| Animal husbandry | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Metallurgy | 4 |
| Nautical | 1 |
| Polymers | 1 |
| Refrigeration | 1 |
| Space | 2 |
| Sports | 1 |
| Technology | 9 |
| Water resources | 7 |