The filtration cycle and slag discharge time of dumping dregs valve is controlled by microcomputer automatically according to impurity content, and it has reserve manual switching function.

微电脑自动控制电动排渣阀，根据杂质含量可任意设置过滤周期和排渣时间，全自动操作，同时还设置了备用的手动切换功能。

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The second alleged justification is political: that anti-dumping is a safety-valve for countries that are otherwise opening up their markets.

ECONOMIST: Unfair protection | The