| |||
| 光学导杆 | |||
| English thesaurus | |||
| |||
| OB | |||
|
optical bar : 8 phrases in 4 subjects |
| Agriculture | 1 |
| Information technology | 1 |
| Technology | 4 |
| Telecommunications | 2 |
| |||
| 光学导杆 | |||
| English thesaurus | |||
| |||
| OB | |||
|
optical bar : 8 phrases in 4 subjects |
| Agriculture | 1 |
| Information technology | 1 |
| Technology | 4 |
| Telecommunications | 2 |