另外，就虹吸滤池自动冲洗普遍存在的几个问题进行了研究，并取得了一定的成效。
In addition , it also successfully deals with some common problems which exist in automatic back wash installationt of siphon filter.
目前，国内大部分水厂的滤池自动反冲洗控制主要通过滤池工作的时间周期来启动反冲洗指令。
At present, time period of filters are mainly used for starting up the backwashing instruction to control filter backwashing automatically in most of domestic water plants.
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