Nor must bottled water companies testwater with certified laboratories, a requirement for tap water suppliers.
瓶装水公司也并没有被要求像自来水供应商那样,只能通过公证的实验室进行水质检测。
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A new technique developed by University of Central Florida (UCF) scientists could allow earthquake-relief workers to testwater sources that could be contaminated with the cholera toxin.