 |
| |||
| 命令指令 | |||
|
command instruction : 9 phrases in 4 subjects |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
| United States | 1 |
|
| |||
| 命令指令 | |||
|
command instruction : 9 phrases in 4 subjects |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
| United States | 1 |