天气冷,湿度高 you have already answered your own question. It is a common phenomenon. ' ]- z1 A& ?0 C$ j- aAsk your builder, they will tell you what exactly run above and make that sound.
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We have 类似水滴的声音 from the beginning and been this house for 3 years. ! h% n+ o; h% d$ _1 D I& ]3 nNobody tells us what exactly that is. A city guy can't tell us anything about that.1 x/ Q- d4 m* M
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The house is good so far, so we just leave it alone.