| |||
| 投影装置 | |||
|
projecting unit : 18 phrases in 9 subjects |
| Bridge construction | 2 |
| Business | 2 |
| Earth sciences | 1 |
| Economics | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 1 |
| Name of organization | 2 |
| Technology | 6 |
| United Nations | 1 |
| |||
| 投影装置 | |||
|
projecting unit : 18 phrases in 9 subjects |
| Bridge construction | 2 |
| Business | 2 |
| Earth sciences | 1 |
| Economics | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 1 |
| Name of organization | 2 |
| Technology | 6 |
| United Nations | 1 |