 |
| |||
| soil conservation | |||
| soil protection | |||
| |||
| soil preservation | |||
| ground conservation | |||
| soil protection | |||
| soil conservation; conservation of soil | |||
|
охрана почвы : 31 短语, 10 学科 |
| 一般 | 4 |
| 供水 | 1 |
| 农化 | 1 |
| 建造 | 3 |
| 林业 | 1 |
| 生态 | 15 |
| 经济 | 1 |
| 能源行业 | 1 |
| 自然资源和野生动物保护 | 1 |
| 马卡罗夫 | 3 |
|
| |||
| soil conservation | |||
| soil protection | |||
| |||
| soil preservation | |||
| ground conservation | |||
| soil protection | |||
| soil conservation; conservation of soil | |||
|
охрана почвы : 31 短语, 10 学科 |
| 一般 | 4 |
| 供水 | 1 |
| 农化 | 1 |
| 建造 | 3 |
| 林业 | 1 |
| 生态 | 15 |
| 经济 | 1 |
| 能源行业 | 1 |
| 自然资源和野生动物保护 | 1 |
| 马卡罗夫 | 3 |