Reflow soldering temperature zone
回流───backflow;焊温───Welding temperature
Four required per backflow preventer.───每个防回流阀需要四个.
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。
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.
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.
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.
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.
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.
Who could go back in time, even if backflow, and we can hold for what?───谁也无法将时光倒流,就算倒流,我们又能抓得住什么呢。
The dual check backflow preventer shall meet ASSE 1024.
The happy blood is unable the backflow centripetal dirty.
Media type check valve for preventing backflow.
Backflow occurs primarily in the summer months, when the demand for water is greatest.
Efficiency and backflow current are the two most important criteria of multistage depressed collector.