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Across the country, we lose an average of seven billion gallons of drinking water a day to leaks-and we have an 800, 000-mile network of pipes that needs constant monitoring and repair.
美国全国每天因管道渗漏而损失的饮用水多达70亿加仑——而全国需要不断监测和维修的管道网络长达80万英里。
Plumbers install, repair and maintain pipes, fixtures and other plumbing equipment used for water distribution and waste water disposal in residential, commercial and industrial buildings.
管道工安装,维修和保养管道,装置和用于住宅,商业和工业建筑的配水和废水处理等水暖器材。
He'll bring a worker to repair the water-pipes.
他将带一个工人前来修理水管。
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