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枫下家园 / 家用电器 / 地下室软水机及其管线大约每24小时会一起发出轰隆轰隆的声音 ，是正常运行么?
-pandaexpress(有梦最美);
2017-12-30
(#11263158@0)
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Water softeners cycle every 24 hours to backwash the debris that has been collected from the hard water, and to recharge the filtering beads and clean them of the mineral deposits they have collected.
-troyd(|);
2017-12-30
(#11263168@0)