 |
| |||
| 聚乙烯 | |||
| polyéthylène: 13 phrases in 7 subjects |
| Environment | 1 |
| Food industry | 1 |
| Isolation | 4 |
| Plastics | 2 |
| Technology | 1 |
| United Nations | 3 |
| Water resources | 1 |
|
| |||
| 聚乙烯 | |||
| polyéthylène: 13 phrases in 7 subjects |
| Environment | 1 |
| Food industry | 1 |
| Isolation | 4 |
| Plastics | 2 |
| Technology | 1 |
| United Nations | 3 |
| Water resources | 1 |