 |
| |||
| 并行压缩 | |||
|
parallel compression : 13 phrases in 3 subjects |
| Bridge construction | 3 |
| Hydroelectric power stations | 2 |
| Technology | 8 |
|
| |||
| 并行压缩 | |||
|
parallel compression : 13 phrases in 3 subjects |
| Bridge construction | 3 |
| Hydroelectric power stations | 2 |
| Technology | 8 |