尽管有国际供水十年(1980 - 1990)计画，计画实行后比实行前有更多的人没有设备可得到最基本的饮水标准。
In spite of the International Water Supply Decade, (1980-1990) there are more people without facilities approaching minimum standards now than existed at the beginning of the program.
本文对管道直饮水系统中用水标准、水处理工艺、供水管网、管材选用等问题进行了分析比较。
Analyses and compares water standard, water treatment process, water supply piping line, system, pipe materials and other problems in the piping drinking water system.
通过对天鹅湖水环境质量现状的调查、监测，天鹅湖供水水源地已不能达到饮用水标准。
It was found out that the source region of the Swan Lake can not meet the drinking water standard by investigation and monitoring about current situation of water environment.
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