 |
|
very toxic:danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed : 3 短语, 1 学科 |
| 一般 | 3 |
|
|
very toxic:danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed : 3 短语, 1 学科 |
| 一般 | 3 |