The automatic cleaning function can be realized by the back flush system, so that the cost for frequently replacing the filter element is saved, and the maintenance is simple and easy.

反向冲洗系统，可以实现自动清洗功能，节约了频繁更换滤芯的成本，维护简易。

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Flush system with hydrogen until required purity is reached.

用氢冲洗设备，直到达到所要求的纯度。

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Flush system with hydrogen until required purity is reached. Vent all waste hydrogen through a flue or flare stack.

用氢冲洗设备，直到达到所要求的纯度。通过烟道或火把烟筒排出所有废氢。

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In preparation, Tubbs said Bush will take Fleet's phospho soda, a very concentrated solution that will be mixed with ginger ale or lemonade, to flush his system.

CNN: Bush to have colonoscopy under anesthesia

What is is the provision of water to flush them and a sewage system to flush them into.

FORBES: More People Have Mobile Phones Than Toilets

The fact is even in the depths of a recession a banking system flush with excess reserves is always in a position to pyramid up its deposit liabilities, to create Uncovered Money Substitutes, regardless of the demand for loans.

FORBES: Monetary Watch December 2010: The Money Supply, a triple from here?