单词non-potable
This unit may NEVER be connected to any existing heating system or component(s) previously used with a non- potable water heating appliance.
不要把本款热水器与任何原有的非饮用水加热系统或加热装置相连接，以免有毒化学成分进入本款热水器。
To protect the potable water supply from backflow from a non-potable source due to a drop in supply.
防止由于高度降低而受到非饮用水源回流到饮用水供应系统中。
A few years ago, several infants became ill and even died when formula was either contaminated or mixed with non-potable water.
几年前，一些婴儿病于甚至死于食用被污染的婴儿配方奶粉或混合了非饮用水的奶粉。
Plants and microorganisms filter wastewater so it can be reused to flush toilets and for other non-potable uses.
植物和微生物对废水进行过滤，以便重复使用于冲洗厕所和其它非饮用途。
To protect the potable water supply against backflow from a non-potable source due to negative supply pressure
防止由于反向压力导致的非饮用水倒流到饮用水供应管道中