backflow造句

1、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。

2、a backflow of urine from the ureter into the renal pelvis.
尿液从尿管回流到肾。

3、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。

4、The backflow preventer must be installed upstream of the regulator.
防倒流装置必须安装在调节阀的上游位置。

5、a backflow of urine from the ureter into the renal pelvis
尿液从尿管回流到肾。

6、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。

7、When installing a drain line, use Series 909 air gaps on Model 909 backflow preventers.
在安装排泄管线时，在型号909防回流阀上采用系列909气隙。

8、The system should be flushed before the backflow valve is installed.
在安装回流阀之前系统应该进行冲刷。

9、The relief valve may be serviced while on or off the backflow preventer valve.
可以在防回流阀上维修安全阀，或将其从防回流阀拆卸下来维修。

10、Four required per backflow preventer.
每个防回流阀需要四个。

11、The happy blood is unable the backflow centripetal dirty.
幸福的血液无法回流向心脏。

12、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。

13、a backflow of urine from the bladder into the ureter
尿液从膀胱回流到输尿管。

14、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。

15、Designed to retrofit backflow protection onto fire hydrants used for temporary water service.
适用于用在临时性水应用的消防栓上的防回流阀的更新改造。

backflow翻译