potable water system

基本解釋

Series 709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.
系列709雙止回閥總成適用于防止受到污染的水回流進入到飲用水系統(tǒng)中。
Series 957, 957N, 957Z Reduced Pressure Zone Assemblies provide protection to the potable water system from contamination in accordance with national plumbing codes.
系列957，957N，957Z減壓區(qū)總成按照美國國家管道規(guī)程為防止飲用水系統(tǒng)受到污染提供保護。
The Watts 994HMB fire hydrant reduced pressure backflow preventer meter is designed to protect the potable water system by preventing backflow through the fire hydrant.
美國瓦茨994HMB消防栓減壓防回流閥儀表適用于保護飲用水系統(tǒng)，防止通過消防栓的回流進入飲用水系統(tǒng)。