Such activities and occurrences can siphon domestic water systems, drawing every conceivable fluid connected to the user's system back into the publicwatersupply.
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。
2
Large public swimming pool applies inverse-flow-style cycling watersupplysystem.
对于公用性大型泳池采用逆流式循环给水系统;
3
Introduces a combined heating and hot - watersupplysystem of public bathhouse.