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ROOM 3,27/F.,HO KING COMMERCIAL CENTER, NO.2-16 FA YUEN STREET, MONG KOK, KOWLOON HK
He aha ka pale anti back drain?
2019-11-19
Hoʻopau ia i ka ʻaila mai ka hoʻokahe ʻana i waho o nā kānana a me nā kiʻi ʻaila i ka wā e pani ʻia ai ka ʻenekini a kōkua i ka holo wikiwiki ʻana o ka ʻaila i ka ʻenekini i ka wā e hoʻomaka ai. ʻAʻole pono nā kānana a pau i ka wai anti drain back valve ma muli o ke kūkulu ʻana o ka ʻenekini.
