Such activities and occurrences can siphon domestic water systems, drawing every conceivable fluid connected to the user's system back into the public water supply.
这种情况和事故可能会对生活用水产生虹吸作用，将每种可能的连接用户系统的液体抽回到公用水供应系统中。
Large public swimming pool applies inverse-flow-style cycling water supply system.
对于公用性大型泳池采用逆流式循环给水系统；
Introduces a combined heating and hot - water supply system of public bathhouse.
介绍一种公共浴室的联合供热系统。
Introduces a combined heating and hot - water supply system of public bathhouse.
介绍一种公共浴室的联合供热系统。
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