The same goes for the makers of home filtration systems.
在家庭水过滤系统制造商那里得到的情况也是一样。
Chemical and filtration systems to neutralise it are its biggest cost.
填埋过程中为中和酸碱的化学系统和过滤系统是最贵的。
Even users of bottled water and home filtration systems don't necessarily avoid exposure.
即便瓶装水和家庭过滤系统的用户也不一定能避免。
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