 |
| |||
| 允许的集中程度 | |||
| 容许浓缩 | |||
| 接受限 | |||
| 允许浓度; 容许浓度; 许容浓度; 许可浓度 | |||
| допустимая концентрация: 30 phrases in 10 subjects |
| Building materials | 1 |
| Ecology | 1 |
| Electronics | 4 |
| Environment | 2 |
| General | 9 |
| Geochemistry | 1 |
| Material safety data sheet | 7 |
| Nuclear and fusion power | 1 |
| Technology | 3 |
| United States | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips