| |||
| 参考书 | |||
|
book reference : 25 phrases in 9 subjects |
| Automobiles | 1 |
| Bridge construction | 4 |
| Business | 1 |
| Earth sciences | 1 |
| Librarianship | 9 |
| Marketing | 1 |
| Scientific | 3 |
| Technology | 4 |
| Telecommunications | 1 |
| |||
| 参考书 | |||
|
book reference : 25 phrases in 9 subjects |
| Automobiles | 1 |
| Bridge construction | 4 |
| Business | 1 |
| Earth sciences | 1 |
| Librarianship | 9 |
| Marketing | 1 |
| Scientific | 3 |
| Technology | 4 |
| Telecommunications | 1 |