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.
這種雙止廻閥檢測縂成應(yīng)該安裝在與飲用水琯道連接的消防系統(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)的交叉連接処應(yīng)該安裝一個雙止廻閥縂成，以防止受到?jīng)@染的水廻流到飲用水系統(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.
雙止廻閥縂成應(yīng)該安裝在每個值得注意的位置，用於防止汙水出現(xiàn)不需要的廻流而流進(jìn)飲用水供應(yīng)系統(tǒng)中。