wastewater spreading
常見例句
- Spreading wastewater over fields, and allowing it to leach back through the soil into local waterways, turns out to be a reasonable way to purify it.
將廢水澆灌到田里,這些水經過土壤的過濾后又重新流回當?shù)氐乃?,這已經被證明是非常合理的污水凈化方法。 返回 wastewater spreading