 |
| |||
| 含碳成分 | |||
| carbon composition: 17 phrases in 7 subjects |
| Agriculture | 1 |
| Electronics | 1 |
| Geology | 2 |
| Oil / petroleum | 1 |
| Polymers | 1 |
| Space | 3 |
| Technology | 8 |
|
| |||
| 含碳成分 | |||
| carbon composition: 17 phrases in 7 subjects |
| Agriculture | 1 |
| Electronics | 1 |
| Geology | 2 |
| Oil / petroleum | 1 |
| Polymers | 1 |
| Space | 3 |
| Technology | 8 |