 |
| |||
| 地下灌溉渠 | |||
| 古河槽; 埋藏河道 | |||
| 埋藏水道 | |||
| 地下通道; 地下沟渠 | |||
| 埋没的河道; 古河道 | |||
| 埋置沟道; 埋藏河槽; 地下河道 | |||
| |||
| 隐埋［埋置］沟道; 埋沟 | |||
| buried channel: 42 phrases in 5 subjects |
| Electronics | 38 |
| Engineering geology | 1 |
| General | 1 |
| Space | 1 |
| Technology | 1 |
|
| |||
| 地下灌溉渠 | |||
| 古河槽; 埋藏河道 | |||
| 埋藏水道 | |||
| 地下通道; 地下沟渠 | |||
| 埋没的河道; 古河道 | |||
| 埋置沟道; 埋藏河槽; 地下河道 | |||
| |||
| 隐埋［埋置］沟道; 埋沟 | |||
| buried channel: 42 phrases in 5 subjects |
| Electronics | 38 |
| Engineering geology | 1 |
| General | 1 |
| Space | 1 |
| Technology | 1 |