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When cleaning, unscrew the head bottom plug, drain fluid, remove the flange cover, remove the filter basket, cleaning and re load can, therefore, maintenance is extremely easy to use. 当需要清洗时，旋开主管底部螺塞，排净流体，拆卸法兰盖，取出滤篮，清洗后重新装入即可，因此，使用维护极为方便。