backflow的例句大全

Especially made for testing all reduced pressure zone backflow preventers.

专用于检测所有减压区防回流阀.

Four required per backflow preventer.

每个防回流阀需要四个.

Media type check valve for preventing backflow.

止回阀类用于阻止介质倒流.

Slowly open upstream shutoff and allow the backflow preventer to fill slowly.

慢慢开启上游关闭阀,让防回流阀慢慢注水.

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.

During irrigation period , the backflow from the farmland pollutes the branch.

每当农业灌溉之时, 支流都因倒流而严重污染.

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.

They prevent steam backflow from the header to the boiler.

这种阀门能够防止蒸汽从集气箱倒流到锅炉里.

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.

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.

From this causes two backflow agitation efficiency not high substantial clause.

由此引起二次回流搅动效率不高的重要原因.

However, backflow may now be creating other side effects.

不过, 眼下回流可能正在引发其它一些负面影响.

Contact the factory for specific approvals on the reduced pressure backflow preventer.

如果需要特殊的减压防回流阀的认证,请与工厂联系.

Also, mechanical backflow preventers and air gaps can be bypassed.

此外, 机械式防回流阀和气隙可以作为旁路.

Efficiency and backflow current are the two most important criteria of multistage depressed collector.

效率与电子回流是多级降压收集极的两个非常重要的指标.

To avoid this discharge, install a spring-loaded, rubber seated check valve ahead of the backflow assembly.

为了避免这种排放，要在防回流阀总成前面安装一个弹簧驱动、橡胶阀座的止回阀。

To protect the potable water supply from backflow a non-potable source due a drop in supply.

防止由于高度降低而受到 非 饮用水源回流到饮用水供应系统中.

The auxiliary line shall consist of an approved backflow preventer and water meter.

辅助管路应该由通过认证的防回流阀和水表构成.

Piping used to supply hydrogen chloride into any liquid system must include backflow prevention.

用于给任何液体系统供应氯化氢的管道系统必须包含防止回流装置.

Preventive management of veinous backflow obstruction of infrahyoid myocutaneous flap

舌骨下肌皮瓣静脉回流障碍的预防性处理