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An air lock sometimes happens in the water pipes of a house, especially if the water has been shut off to repair a tap, for example, and them turned on again. 氣塞有時(shí)發(fā)生在住房的水管中，特別是關(guān)上水管修理水籠頭，然后再擰開(kāi)水管時(shí)。