| |||
| 单位宽度; 单宽 | |||
|
unit width : 22 phrases in 6 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Desert science | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 3 |
| Technology | 14 |
| |||
| 单位宽度; 单宽 | |||
|
unit width : 22 phrases in 6 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Desert science | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 3 |
| Technology | 14 |