 |
| |||
| 起生物降解作用的物质 | |||
| 生物降解材料 | |||
| biodegradable material: 7 phrases in 4 subjects |
| Medical appliances | 2 |
| Polymers | 1 |
| Technology | 3 |
| Textile industry | 1 |
|
| |||
| 起生物降解作用的物质 | |||
| 生物降解材料 | |||
| biodegradable material: 7 phrases in 4 subjects |
| Medical appliances | 2 |
| Polymers | 1 |
| Technology | 3 |
| Textile industry | 1 |