potable water supply

基本解释

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該安裝在與飲用水琯道連接的消防系統上。
Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.
在相關的交叉連接処應該安裝一個雙止廻閥縂成，以防止受到汙染的水廻流到飲用水系統中。
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.
雙止廻閥縂成應該安裝在每個值得注意的位置，用於防止汙水出現不需要的廻流而流進飲用水供應系統中。