However, backflow may now be creating other side effects.
不過, 眼下回流可能正在引發(fā)其它一些負面影響.
互聯(lián)網
From this causes two backflow agitation efficiency not high substantial clause.
由此引起二次回流攪動效率不高的重要原因.
互聯(lián)網
Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance.
防回流閥采用耐腐蝕的300系列不銹鋼制造.
互聯(lián)網
Especially made for testing all reduced pressure zone backflow preventers.
專用于檢測所有減壓區(qū)防回流閥.
互聯(lián)網
For use with backflow preventer test cocks to protect from damage.
用于防回流閥測試旋塞,防止受到破壞.
互聯(lián)網
They prevent steam backflow from the header to the boiler.
這種閥門能夠防止蒸汽從集氣箱倒流到鍋爐里.
互聯(lián)網
The backflow preventer must be installed upstream of the regulator.
防倒流裝置必須安裝在調節(jié)閥的上游位置.
互聯(lián)網
Also, mechanical backflow preventers and air gaps can be bypassed.
此外, 機械式防回流閥和氣隙可以作為旁路.
互聯(lián)網
During irrigation period , the backflow from the farmland pollutes the branch.
每當農業(yè)灌溉之時, 支流都因倒流而嚴重污染.
互聯(lián)網
Contact the factory for specific approvals on the reduced pressure backflow preventer.
如果需要特殊的減壓防回流閥的認證,請與工廠聯(lián)系.
互聯(lián)網
Installing a backflow preventer in a pit or vault is not recommended.
不建議在坑內或拱頂內安裝防回流閥.
互聯(lián)網
Slowly open upstream shutoff and allow the backflow preventer to fill slowly.
慢慢開啟上游關閉閥,讓防回流閥慢慢注水.
互聯(lián)網
Media type check valve for preventing backflow.
止回閥類用于阻止介質倒流.
互聯(lián)網
Four required per backflow preventer.
每個防回流閥需要四個.
互聯(lián)網
Efficiency and backflow current are the two most important criteria of multistage depressed collector.
效率與電子回流是多級降壓收集極的兩個非常重要的指標.
互聯(lián)網