The reservoir that provides its main water source is down to 6 percent of its total capacity.

而主要用水来源的水库下降6%。

The report found that many of Yorkshire’s water mains needed replacing.

【main】报告中说约克郡的很多自来水总管道需要更换。

Officials in South Carolina are trying to find options to protect the capital city's main water source after torrential downpours caused a canal to collapse.

由于洪水引起运河坍塌，南卡州有关部门正在想办法解决哥伦比亚城的水源问题。

The main water tanks on the roof have never been cleaned, according to Mr C K Li We should get an expert to test the water quality.

屋顶上的主水箱从来没有清洗过，据C K Li先生说我们应该请专家测试水质。