backflow preventer造句
例句与造句
- Reduced pressure detector assembly backflow preventer
减压检测器组合防回流装置 - Four required per backflow preventer
每个防回流阀需要四个。 - Laboratory faucet backflow preventer
实验室旋塞防回流装置 - For use with backflow preventer test cocks to protect from damage
用于防回流阀测试旋塞，防止受到破坏。 - Installing a backflow preventer in a pit or vault is not recommended
不建议在坑内或拱顶内安装防回流阀。 - It's difficult to find backflow preventer in a sentence. 用backflow preventer造句挺难的
- A check valve may be required ahead of the backflow preventer
此时在防回流阀前面可能需要安装一个止回阀。 - Performance requirements for backflow preventer with intermediate atmospheric vent
有中气压通风口的防回流装置的性能要求 - Backflow preventer manufactured from 300 series stainless steel for corrosion resistance
防回流阀采用耐腐蚀的300系列不锈钢制造。 - The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer
带测试旋塞的关闭阀安装在防回流阀的进口一侧。 - The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer
带测试旋塞的关闭阀应该安装在防回流阀的进口侧。 - The backflow preventer must be supported and is not designed to carry full weight of the stand pipe
防回流阀必须有所支撑，不能用于承载立管的全部重量。 - Non controllable backflow preventer with different pressure zones - family c , type a ; german version en 14367 : 2005
有不同压力区的非可控防回流组件. c类. a型德文版本 - The 957 and 957rpda backflow preventer should be tested by a certified tester at the time of installation
在安装期间， 957和957rpda防回流阀应该由有资格证书的检验员进行检验。 - A strainer should be installed as shown , ahead of backflow preventer to prevent disc from unnecessary fouling
应该如图所示安装过滤器，使其位于防回流阀前面，防止阀瓣出现不必要的污染。 - A strainer should be installed as shown , ahead of backflow preventer to prevent disc from unnecessary fouling
应该如图所示安装过滤器，使其位于防回流阀之前，防止阀瓣产生不必要的积垢。
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