The closed back purge system and the condition of aerating turbulent flow can lighten the attenuation of membrane flux, at the same time, prevent the problem of nitrification inhibition.

通过密闭反冲洗系统、曝气紊流条件，可有效缓解膜通量的衰减，同时防止反应器内硝化抑制作用的产生。

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A canister purge valve is opened periodically to vent the vapor back into induction system.

收集器的清除阀周期性地开启，泄放蒸气使之返回进气系统。

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A canister purge valve is opened periodically to vent the vapor back into induction system.

器的清除阀周期性地开启，泄放蒸气使之返回进气系统。

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While we educate the best talent from the four corners of the world, we have forgotten to keep the pick of the litter in the United States to develop economic prosperity and instead have contributed to the purge of technical talent back to where it came from by holding back work visas and making residency nearly impossible.

FORBES: Immigration And Prosperity: Why Tech Needs Open Borders