天气冷,湿度高 you have already answered your own question. It is a common phenomenon. # e0 @. a8 d+ j$ i# R( lAsk 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. 2 z- A* r/ H9 L) y6 b8 u* f' ]Nobody tells us what exactly that is. A city guy can't tell us anything about that. ! A/ ]! W% ]; u7 e2 g7 w( F: s, i% u9 \ e8 R
The house is good so far, so we just leave it alone.