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1、5在吸∴入配管的阀，请一定全开√6泵浦要完全充满水，灌水是利用吐出侧配管等，迫出空气，空气不易溢出时，马达的外扇叶片用手逆向重复转动34回7耐腐蚀塑料自吸泵泵完全灌水时，吐出压力瞬时上升之后，吐。2、泵的材料和...
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