 |
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| an Coinbhinsiún maidir le hAerthruailliú Trasteorann Fadraoin | |||
| CTATF | |||
| Convention sur la pollution atmospherique transfrontiere a longue distance: 12 短语, 2 学科 |
| 一般 | 1 |
| 环境 | 11 |
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| |||
| an Coinbhinsiún maidir le hAerthruailliú Trasteorann Fadraoin | |||
| CTATF | |||
| Convention sur la pollution atmospherique transfrontiere a longue distance: 12 短语, 2 学科 |
| 一般 | 1 |
| 环境 | 11 |