控制系统定期自动冲洗，避免滤芯堵塞。
油田污水处理自控系统主要包括自动加药、自动排污、自动反冲洗三部分。
The oil field waste water automatic treatment system comprises automatic dosing, automatic blow-down and automatic back washing.
这种滤油器既不用停车拆洗就可以自动冲洗杂质异物，又能阻止部分颗粒进入液压系统。
The oil filter is not only capable of automatically flushing the impurity without stopping and demounting but also capable of stopping part particles entering the hydraulic system.
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