polyformaldehyde
| polyformaldehyde | |
| gen. | 聚氧化甲烯 |
| chem. | 聚甲醛 |
| |||
| 聚氧化甲烯 | |||
| 聚甲醛塑料 | |||
| ★ 聚甲醛 | |||
|
polyformaldehyde : 4 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Technology | 1 |
| Textile industry | 1 |
| polyformaldehyde | |
| gen. | 聚氧化甲烯 |
| chem. | 聚甲醛 |
| |||
| 聚氧化甲烯 | |||
| 聚甲醛塑料 | |||
| ★ 聚甲醛 | |||
|
polyformaldehyde : 4 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Technology | 1 |
| Textile industry | 1 |