... 自洗式钻头：self-cleaning bit 自洗式过滤器：self-washing filter 自席显示电键：home display key ...
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self-back washing filter 自冲滤池
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The utility model relates to a self-washing filter with high filtering accuracy, wide application and low application cost.
本实用新型涉及一种自冲洗过滤器，其过滤精度高，应用范围广，使用成本低。
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