| |||
| 可变信道 | |||
| 变化河槽 | |||
| 不稳定水道; 不稳定河槽; 变动河床; 变动河槽 | |||
|
variable channel : 10 phrases in 5 subjects |
| Aviation | 1 |
| Hydroelectric power stations | 3 |
| Plastics | 1 |
| Space | 1 |
| Technology | 4 |
| |||
| 可变信道 | |||
| 变化河槽 | |||
| 不稳定水道; 不稳定河槽; 变动河床; 变动河槽 | |||
|
variable channel : 10 phrases in 5 subjects |
| Aviation | 1 |
| Hydroelectric power stations | 3 |
| Plastics | 1 |
| Space | 1 |
| Technology | 4 |