道水 meaning in Chinese

the water of truth which washes away defilement

However , many residents still would not risk drinking from the tap
毋恪犹有袂少郎毋敢饮水道水,惊耶出代志。
This track soon disappeared ; it was evident that he had touched the shore
这道水痕迹一会儿也不见了显然他已上了岸。
Analysis on flow and sediment movement in approach channels of tidal river branches
感潮河段船闸下引航道水沙运动及泥沙淤积
Performance analysis of underwater acoustic digital communication system in a shallow water channel
浅海信道水声数字通信系统的性能分析
The authors analyze the origin and hazards of surge phenomena in products oil pipeline
摘要分析了长输成品油管道水击的形成过程、水击特点及其危害。