 |
| |||
| rotation; rotation system; rotational working | |||
| rotational irrigation; rotation irrigation | |||
|
distribution par rotation : 4 短语, 2 学科 |
| 农业 | 2 |
| 水资源 | 2 |
|
| |||
| rotation; rotation system; rotational working | |||
| rotational irrigation; rotation irrigation | |||
|
distribution par rotation : 4 短语, 2 学科 |
| 农业 | 2 |
| 水资源 | 2 |