 |
| |||
| 目镜 | |||
| |||
| 目镜 | |||
|
eye piece : 15 phrases in 7 subjects |
| Chemistry | 2 |
| Geology | 1 |
| Metallurgy | 6 |
| Oil / petroleum | 1 |
| Reproductive biology | 1 |
| Technology | 3 |
| Textile industry | 1 |
|
| |||
| 目镜 | |||
| |||
| 目镜 | |||
|
eye piece : 15 phrases in 7 subjects |
| Chemistry | 2 |
| Geology | 1 |
| Metallurgy | 6 |
| Oil / petroleum | 1 |
| Reproductive biology | 1 |
| Technology | 3 |
| Textile industry | 1 |