天气冷,湿度高 you have already answered your own question. It is a common phenomenon. " A; {4 r, Y6 Z+ V* O7 t5 BAsk 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. ; x' ~) D( s# o$ g3 c- UNobody tells us what exactly that is. A city guy can't tell us anything about that. : v- [% L: o X- ^* _6 V& U0 e, h4 h/ N0 e/ l7 O
The house is good so far, so we just leave it alone.