第一次测试后，研究人员使用二氧化氯清洗了供水系统。

After their first tests, the researchers cleaned the water system with chlorine dioxide.

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Stocking在最近一次访问津巴布韦的时候说道：“如果供水系统和排污系统无法正常工作的话，我们预计今年年底还会爆发霍乱，并大范围流行。”我们多希望这种预期不会实现啊！

Said Stocking during a recent visit to Zimbabwe: "we have to expect a cholera epidemic and outbreak to happen again at the end of this year given that the water and sewage system is not working well."

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变流量一次泵水系统是一种节能的空调水系统。

Variable primary flow chilled water system is a system with energy saving.

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