天气冷,湿度高 you have already answered your own question. It is a common phenomenon.' B3 @7 a) v+ ~4 z/ D
Ask your builder, they will tell you what exactly run above and make that sound.
5 u& j; M# ^1 Y' t) |: mWe have 类似水滴的声音 from the beginning and been this house for 3 years. / a- ]* T; a0 x3 yNobody tells us what exactly that is. A city guy can't tell us anything about that.* C, w. e' N2 b
' R( r' c6 `' H) x/ sThe house is good so far, so we just leave it alone.