![]() |
| |||
flood prevention works | |||
flood control work | |||
flood protection work | |||
flood-control project; flood-control works; flood-protection works; flood retarding project | |||
flood control works; flood protection works; flood control project | |||
control works; flood-control engineering (学); flood defense (works) | |||
| |||
flood-control engineering | |||
| |||
flood control works |
防 洪工程 : 3 phrases in 3 subjects |
Desert science | 1 |
Rail transport | 1 |
Technology | 1 |