In 2004, the Environmental Protection Agency tested the drinking water on 158 randomly selected passenger planes and found that 20 (12.7%) tested positive for total coliform bacteria.
在2004年，环境保护局对任意抽取的158架客机上的饮用水进行检测，发现有20架(12.7%)大肠菌细菌的总数上合格。
In 2004, the Environmental Protection Agency tested the drinking water on 158 randomly selected passenger planes and found that 20 (12.7%) tested positive for total coliform bacteria.
在2004年，环境保护局对任意抽取的158架客机上的饮用水进行检测，发现有20架(12.7%)大肠菌细菌的总数上合格。
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