防回流装置 meaning in Chinese
backflow preventer
sub-duct a embly
sub-duct assembly
Examples
- Reduced pressure detector assembly backflow preventer
减压检测器组合防回流装置 - Double check detector assembly backflow preventor
双重检验检测器组合防回流装置 - Performance requirements for hose connection backflow preventers
软管连接防回流装置的性能要求 - Dual check valve type backflow preventers
双重止回阀型防回流装置 - Laboratory faucet backflow preventer
实验室旋塞防回流装置