半湿润地区的水土流失和土地沙化在很大程度上与人类不合理的开发利用有关。

Soil erosion and desertification in the semimoisture zone have a great connection with irrational exploitation.

youdao

半湿润地区的水土流失和土地沙化在很大程度上与人类不合理的开发利用有关。

Soil erosion and desertification in the semimoisture zone have a great connection with irrational exploitation.

youdao