- enhydrous
- 保持: keep; hold; retain; maintain ...
- 水分: moisture content; dew; humid ...
- 的: 4次方是 The fourth power of 2 i ...
- 保持水: retained water
- 保持水土: conservation of both moisture and soil; conservationofbothmoistureandsoil; conserve water and soil; preserve soil and water
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