回流污染 meaning in Chinese
backflow pollution
Examples
- Technical specification for prevention of backflow pollution in water supply system
给水系统防回流污染技术规程 - Devices to prevent pollution by backflow of potable water - unrestricted air gap - family a , type a
防饮用水回流污染设备.无限制气隙. a类a型气隙 - . a b devices to prevent pollution by backflow of potable water - air gap with non - circular overflow unrstricted - family a , type b
防饮用水回流污染装置.带不循环溢流口的 - . a b devices to prevent pollution by backflow of potable water - air gap with non - circular overflow unrestricted - family a , type b
防饮用水回流污染设备.非循环溢流气隙 - Devices to prevent pollution by backflow of potable water - automatic diverter - family h , type c ; german version en 14506 : 2005
防饮用水回流污染的装置.自动排水道. c型h系列