| 1. | The study indicated that ultraviolet treatment and hypochlorination with subsequent dechlorination are the most promising options , based uponsite - specific hazards , environmental impacts , land requirements and cost considerations
研究显示，基于选址风险、环境影响、土地要求和成本等考虑因素，紫外光处理和低氯加上除氯处理是最佳的方法。 |
