 |
| |||
| bore | |||
| opening | |||
| 开洞: 65 phrases in 11 subjects |
| Aviation | 3 |
| Construction | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| General | 3 |
| Hydroelectric power stations | 7 |
| Mining | 1 |
| Nursing | 1 |
| Space | 3 |
| Technology | 29 |
| Wind Energy | 14 |
|
| |||
| bore | |||
| opening | |||
| 开洞: 65 phrases in 11 subjects |
| Aviation | 3 |
| Construction | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| General | 3 |
| Hydroelectric power stations | 7 |
| Mining | 1 |
| Nursing | 1 |
| Space | 3 |
| Technology | 29 |
| Wind Energy | 14 |