目前,我国有50%的水管是石棉水泥(ASBESTOS CEMENT)制成的过时产物,为了解决水源流失率(NON-REVENUE WATER)的问题,水管翻新已是刻不容缓。届时,球墨铸铁(DUCTILE IRON)和软钢(MILD STEEL)水管,将成为旧水管的替代品。
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non-revenue water 无收益水 ; 年无收益水
Of this 72% was “non-revenue water”—given away, or lost to leakage and theft.
在这65,000立方米自来水中有72%流失率——被出卖了、在输送过程中泄漏了或是被偷走了。
It now produces 300,000 cubic metres a day, has 200,000 connections and non-revenue water of less than 6%.
现在PPWSA每天能供应300,000立方米水,有200,000条输送线路并且水流失率小于6%。
In fact, critics say, private water companies usually have very little incentive to encourage conservation; after all, when water use falls, revenue declines.
事实上,如批评人士所说,私人水务公司通常很少鼓励节约用水;毕竟,用水量下降营业收入会减少。
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