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check dam; drop structure; erosion control dam; gully-control dam; gulley-control dam | |||
checking dam; debris dam; gully control dam; gulley control dam | |||
check dams | |||
| |||
check dam |
谷坊: 31 phrases in 5 subjects |
Agriculture | 6 |
Forestry | 2 |
Hydroelectric power stations | 9 |
Hydrology | 3 |
Technology | 11 |