The Series of Water-Meters is used to measure the total quantity of potable water, consumed in household or a resident unit, passing through the pipeline.

本系列水表用于家庭或者一个居民单元测量流经自来水管道饮用冷水的用量。

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That year a new manager took over and instituted a tiered system of payment: If your household consumption was not more than 7.5 cubic meters per month (this would take care of water required for drinking, cooking and some hygienic needs of an average family of eight), you paid a subsidized rate, but if your monthly consumption was more, you paid a market rate.

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