| |||
| 穿式结构 | |||
|
through structure : 11 phrases in 5 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Electronics | 1 |
| Securities | 3 |
| Technology | 5 |
| |||
| 穿式结构 | |||
|
through structure : 11 phrases in 5 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Electronics | 1 |
| Securities | 3 |
| Technology | 5 |