污水回流 meaning in English
sewage backflow
Examples
- Series 774x double check valve assemblies are designed to prevent the reverse flow of polluted water from entering the potable water system
系列747双止回阀总成用于防止污水回流进入饮用水系统中。 - Series 774 double check valve assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system
系列747双止回阀总成用于防止污水回流进入饮用水系统中。 - Series 774xdcda double check detector assemblies are designed to prevent the reverse flow of polluted water from entering the potable water supply
系列747xdcda双止回阀检测器总成用于防止污水回流进入饮用水系统中。