potable water system

• 饮用水系统

potable water system的用法和样例：

例句

1. Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.
   在相关的交叉连接处应该安装一个双止回阀总成，以防止受到污染的水回流到饮用水系统中。