So it is required that water supplypipelines should not only meet the amount and pressure of water that are needed, but also ensure the quality of water that is transported and diatributed.
因此，要求给水管道不但能满足人们所需要的水量和水压，而且还要保证所输配水的水质。
2
The public utility bureau in Tonghua has mobilized 300 workers to repair the pipelines, but no deadline could be given as to when the water supply would be resumed.
目前，通化公共事业局已组织300名工人对管线进行抢修，何时恢复供水尚不清楚。
3
The heating system and can be heat to provide heaters to 4 degrees centigrade temperature to 5 0 0 degree the underground pipelines, through the water to supply heating (figure 4).