potable water supply

基本解釋

Double Check Detector Assembly shall be installed on fire protection systems when connected to a potable water supply.
這種雙止回閥檢測總成應(yīng)該安裝在與飲用水管道連接的消防系統(tǒng)上。
Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.
在相關(guān)的交叉連接處應(yīng)該安裝一個(gè)雙止回閥總成，以防止受到污染的水回流到飲用水系統(tǒng)中。
A Double Check Valve Assembly shall be installed at each noted location to prevent the unwanted reversal of polluted water into the potable water supply.
雙止回閥總成應(yīng)該安裝在每個(gè)值得注意的位置，用于防止污水出現(xiàn)不需要的回流而流進(jìn)飲用水供應(yīng)系統(tǒng)中。